From 5289f41eb514c9684669b59cf8f457a52c4854d9 Mon Sep 17 00:00:00 2001
From: Artem Chernikov <skullzeek@gmail.com>
Date: Mon, 21 Jul 2014 14:49:05 +0200
Subject: [PATCH] Use only new hash syntax

---
 .rubocop.yml                                  |  6 ++---
 .../admin/dietchoices_controller.rb           |  4 +--
 .../admin/difficulty_levels_controller.rb     |  8 +++---
 app/controllers/admin/questions_controller.rb | 14 +++++-----
 .../admin/social_events_controller.rb         |  4 +--
 .../admin/supporter_levels_controller.rb      |  4 +--
 .../admin/supporters_controller.rb            |  2 +-
 .../admin/volunteers_controller.rb            |  6 ++---
 .../api/v1/conferences_controller.rb          |  2 +-
 app/controllers/application_controller.rb     |  2 +-
 .../event_attachments_controller.rb           | 10 +++----
 app/controllers/schedule_controller.rb        |  2 +-
 app/helpers/application_helper.rb             |  6 ++---
 app/mailers/mailbot.rb                        | 10 +++----
 app/models/answer.rb                          |  4 +--
 app/models/call_for_papers.rb                 |  2 +-
 app/models/comment.rb                         | 14 +++++-----
 app/models/conference.rb                      |  2 +-
 app/models/difficulty_level.rb                |  2 +-
 app/models/event_attachment.rb                |  2 +-
 app/models/event_type.rb                      |  2 +-
 app/models/qanswer.rb                         |  2 +-
 app/models/question.rb                        | 10 +++----
 app/models/vday.rb                            |  2 +-
 app/models/venue.rb                           |  2 +-
 app/models/vposition.rb                       |  2 +-
 config/application.rb                         |  2 +-
 config/deploy.rb                              |  6 ++---
 config/environments/development.rb            |  2 +-
 config/environments/production.rb             |  2 +-
 config/routes.rb                              | 26 +++++++++----------
 .../20121223110942_devise_create_users.rb     | 12 ++++-----
 ...20121223115038_create_conferences_table.rb | 18 ++++++-------
 .../20121223115106_create_people_table.rb     | 12 ++++-----
 .../20121223115117_create_rooms_table.rb      |  6 ++---
 .../20121223115125_create_tracks_table.rb     |  6 ++---
 .../20121223115135_create_events_table.rb     | 10 +++----
 .../20121223120413_create_event_types.rb      |  4 +--
 ...0121223122307_create_event_people_table.rb |  2 +-
 db/migrate/20121223135447_user_roles_table.rb |  2 +-
 db/migrate/20121224144728_create_cfp_table.rb |  8 +++---
 ...130103134212_create_registrations_table.rb |  6 ++---
 db/migrate/20130104142209_create_comments.rb  |  4 +--
 ...05115603_create_event_attachments_table.rb |  4 +--
 ...e_cfp_and_reg_booleans_from_conferences.rb |  4 +--
 db/migrate/20130107114930_create_versions.rb  |  6 ++---
 .../20130113105652_create_email_table.rb      |  8 +++---
 ...maximum_abstract_lengths_to_event_types.rb |  4 +--
 ...91022_add_dietary_choice_to_conferences.rb |  2 +-
 ...0202091051_create_dietary_choices_table.rb |  2 +-
 ...add_handicapped_access_to_registrations.rb |  2 +-
 ...0202130737_create_supporter_level_table.rb |  2 +-
 ...23_create_table_supporter_registrations.rb |  2 +-
 ...add_use_supporter_levels_to_conferences.rb |  2 +-
 ...reate_registrations_social_events_table.rb |  2 +-
 ...2155_set_registration_defaults_to_false.rb |  2 +-
 ...43459_create_events_registrations_table.rb |  2 +-
 ...712072609_add_attended_to_registrations.rb |  2 +-
 ...add_schedule_changes_to_call_for_papers.rb |  2 +-
 ...815201317_add_rating_to_call_for_papers.rb |  2 +-
 .../20130821133651_create_vpositions.rb       |  2 +-
 ...hange_default_rating_in_call_for_papers.rb |  4 +--
 .../20131229072532_registrations_vchoices.rb  |  2 +-
 ...0109191321_create_conferences_questions.rb |  2 +-
 ...112192801_create_qanswers_registrations.rb |  6 ++---
 ...20140212172244_create_difficulty_levels.rb |  2 +-
 ...add_use_difficulty_levels_to_conference.rb |  2 +-
 ...305102505_use_vdays_vpositions_defaults.rb |  8 +++---
 db/seeds.rb                                   | 22 ++++++++--------
 spec/support/database_cleaner.rb              |  2 +-
 spec/support/login_macros.rb                  |  2 +-
 spec/views/home/index.html.haml_spec.rb       |  2 +-
 72 files changed, 179 insertions(+), 181 deletions(-)

diff --git a/.rubocop.yml b/.rubocop.yml
index 0132798b..538267b0 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,6 +1,7 @@
 inherit_from: .rubocop_todo.yml
 
 Style/HashSyntax:
+  Enabled: true
   EnforcedStyle: ruby19
 
 # Things deprecated in current ruby API
@@ -75,13 +76,10 @@ Lint/UnusedMethodArgument:
 Lint/UselessAssignment:
   Enabled: true
 
+# Do not use variables in void context
 Lint/Void:
   Enabled: true
 
-# Offense count: 17
-Style/AccessorMethodName:
-  Enabled: false
-
 AllCops:
   Include:
     - Rakefile
diff --git a/app/controllers/admin/dietchoices_controller.rb b/app/controllers/admin/dietchoices_controller.rb
index f1258dce..cf315a40 100644
--- a/app/controllers/admin/dietchoices_controller.rb
+++ b/app/controllers/admin/dietchoices_controller.rb
@@ -8,9 +8,9 @@ class Admin::DietchoicesController < ApplicationController
   def update
     begin
       @conference.update_attributes!(params[:conference])
-      redirect_to(admin_conference_dietary_list_path(:conference_id => @conference.short_title), :notice => 'Dietary choices were successfully updated.')
+      redirect_to(admin_conference_dietary_list_path(conference_id: @conference.short_title), notice: 'Dietary choices were successfully updated.')
     rescue => e
-      redirect_to(admin_conference_dietary_list_path(:conference_id => @conference.short_title), :alert => "Dietary choices update failed: #{e.message}")
+      redirect_to(admin_conference_dietary_list_path(conference_id: @conference.short_title), alert: "Dietary choices update failed: #{e.message}")
     end
   end
 end
diff --git a/app/controllers/admin/difficulty_levels_controller.rb b/app/controllers/admin/difficulty_levels_controller.rb
index a52cefcf..51aacd7f 100644
--- a/app/controllers/admin/difficulty_levels_controller.rb
+++ b/app/controllers/admin/difficulty_levels_controller.rb
@@ -12,18 +12,18 @@ class Admin::DifficultyLevelsController < ApplicationController
           @conference.use_difficulty_levels = false
           @conference.save!
           flash[:error] = "You cannot enable the usage of difficulty levels without having set any levels."
-          redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
+          redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))
         rescue ActiveRecord::RecordInvalid
           flash[:error] = "Something went wrong. Difficulty Levels update failed."
-          redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))  
+          redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))  
         end
       else
         flash[:notice] = "Difficulty Levels were successfully updated."
-        redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
+        redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))
       end
     else
       flash[:error] = "Difficulty Levels update failed."
-      redirect_to(admin_conference_difficulty_levels_path(:conference_id => @conference.short_title))
+      redirect_to(admin_conference_difficulty_levels_path(conference_id: @conference.short_title))
     end
   end
 end
diff --git a/app/controllers/admin/questions_controller.rb b/app/controllers/admin/questions_controller.rb
index 838f587e..1e9e4551 100644
--- a/app/controllers/admin/questions_controller.rb
+++ b/app/controllers/admin/questions_controller.rb
@@ -3,7 +3,7 @@ class Admin::QuestionsController < ApplicationController
 
   def index
     @conference = Conference.find_by(short_title: params[:conference_id])
-    @questions = Question.where(:global => true).all | Question.where(:conference_id => @conference.id)
+    @questions = Question.where(global: true).all | Question.where(conference_id: @conference.id)
     @questions_conference = @conference.questions
     @new_question = @conference.questions.new
   end
@@ -34,7 +34,7 @@ class Admin::QuestionsController < ApplicationController
     @question = Question.find(params[:id])
     
     if @question.global == true && !has_role?(current_user, "Admin")
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :alert => "Sorry, you cannot edit global questions. Create a new one.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), alert: "Sorry, you cannot edit global questions. Create a new one.")
     end
   end
 
@@ -45,9 +45,9 @@ class Admin::QuestionsController < ApplicationController
     @question = Question.find(params[:id])
 
     if @question.update_attributes(params[:question])
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Question '#{@question.title}' for #{@conference.short_title} successfully updated.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Question '#{@question.title}' for #{@conference.short_title} successfully updated.")
     else
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Update of questions for #{@conference.short_title} failed.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Update of questions for #{@conference.short_title} failed.")
     end
   end
 
@@ -56,9 +56,9 @@ class Admin::QuestionsController < ApplicationController
     @conference = Conference.find_by(short_title: params[:conference_id])
 
     if @conference.update_attributes(params[:conference])
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Questions for #{@conference.short_title} successfully updated.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Questions for #{@conference.short_title} successfully updated.")
     else
-      redirect_to(admin_conference_questions_path(:conference_id => @conference.short_title), :notice => "Update of questions for #{@conference.short_title} failed.")
+      redirect_to(admin_conference_questions_path(conference_id: @conference.short_title), notice: "Update of questions for #{@conference.short_title} failed.")
     end
   end
 
@@ -90,7 +90,7 @@ class Admin::QuestionsController < ApplicationController
       flash[:error] = "You must be an admin to delete a question."
     end
 
-    @questions = Question.where(:global => true).all | Question.where(:conference_id => @conference.id)
+    @questions = Question.where(global: true).all | Question.where(conference_id: @conference.id)
     @questions_conference = @conference.questions
   end
 end
diff --git a/app/controllers/admin/social_events_controller.rb b/app/controllers/admin/social_events_controller.rb
index 336e7cef..b11b38f4 100644
--- a/app/controllers/admin/social_events_controller.rb
+++ b/app/controllers/admin/social_events_controller.rb
@@ -7,9 +7,9 @@ class Admin::SocialEventsController < ApplicationController
 
   def update
     if @conference.update_attributes(params[:conference])
-      redirect_to(admin_conference_social_events_path(:conference_id => @conference.short_title), :notice => 'Social events were successfully updated.')
+      redirect_to(admin_conference_social_events_path(conference_id: @conference.short_title), notice: 'Social events were successfully updated.')
     else
-      redirect_to(admin_conference_social_events_path(:conference_id => @conference.short_title), :notice => 'Social events update failed.')
+      redirect_to(admin_conference_social_events_path(conference_id: @conference.short_title), notice: 'Social events update failed.')
     end
   end
 end
diff --git a/app/controllers/admin/supporter_levels_controller.rb b/app/controllers/admin/supporter_levels_controller.rb
index 3e11db97..33218920 100644
--- a/app/controllers/admin/supporter_levels_controller.rb
+++ b/app/controllers/admin/supporter_levels_controller.rb
@@ -8,9 +8,9 @@ class Admin::SupporterLevelsController < ApplicationController
   def update
     begin
       @conference.update_attributes!(params[:conference])
-      redirect_to(admin_conference_supporter_levels_path(:conference_id => @conference.short_title), :notice => 'Supporter levels were successfully updated.')
+      redirect_to(admin_conference_supporter_levels_path(conference_id: @conference.short_title), notice: 'Supporter levels were successfully updated.')
     rescue => e
-      redirect_to(admin_conference_supporter_levels_path(:conference_id => @conference.short_title), :alert => "Supporter levels update failed: #{e.message}")
+      redirect_to(admin_conference_supporter_levels_path(conference_id: @conference.short_title), alert: "Supporter levels update failed: #{e.message}")
     end
   end
 end
diff --git a/app/controllers/admin/supporters_controller.rb b/app/controllers/admin/supporters_controller.rb
index 216c2bda..a114daca 100644
--- a/app/controllers/admin/supporters_controller.rb
+++ b/app/controllers/admin/supporters_controller.rb
@@ -11,6 +11,6 @@ class Admin::SupportersController < ApplicationController
   def create
     params[:supporter_registration][:conference_id] = @conference.id
     SupporterRegistration.create!(params[:supporter_registration])
-    redirect_to(admin_conference_supporters_path(:conference_id => @conference.short_title), :notice => "Supporter added")
+    redirect_to(admin_conference_supporters_path(conference_id: @conference.short_title), notice: "Supporter added")
   end
 end
diff --git a/app/controllers/admin/volunteers_controller.rb b/app/controllers/admin/volunteers_controller.rb
index 31593893..afc688c9 100644
--- a/app/controllers/admin/volunteers_controller.rb
+++ b/app/controllers/admin/volunteers_controller.rb
@@ -9,7 +9,7 @@ class Admin::VolunteersController < ApplicationController
     if @conference.use_vpositions
       @volunteers = @conference.registrations.joins(:vchoices).uniq
     else
-      @volunteers = @conference.registrations.where(:volunteer => true)
+      @volunteers = @conference.registrations.where(volunteer: true)
     end
   end
 
@@ -17,9 +17,9 @@ class Admin::VolunteersController < ApplicationController
     @conference = Conference.find_by(short_title: params[:conference_id])
     begin
       @conference.update_attributes!(params[:conference])
-      redirect_to(admin_conference_volunteers_info_path(:conference_id => params[:conference_id]), :notice => "Volunteering options were successfully updated.")
+      redirect_to(admin_conference_volunteers_info_path(conference_id: params[:conference_id]), notice: "Volunteering options were successfully updated.")
     rescue => e
-      redirect_to(admin_conference_volunteers_info_path(:conference_id => params[:conference_id]), :alert => "Volunteering options update failed: #{e.message}")
+      redirect_to(admin_conference_volunteers_info_path(conference_id: params[:conference_id]), alert: "Volunteering options update failed: #{e.message}")
     end
   end
 end
diff --git a/app/controllers/api/v1/conferences_controller.rb b/app/controllers/api/v1/conferences_controller.rb
index 4a851b94..9e0338b1 100644
--- a/app/controllers/api/v1/conferences_controller.rb
+++ b/app/controllers/api/v1/conferences_controller.rb
@@ -7,6 +7,6 @@ class Api::V1::ConferencesController < Api::BaseController
     else
       conferences = Conference.find_all_by_guid(params[:conference_id])
     end
-    render :json => conferences, :serializer => ConferencesArraySerializer
+    render json: conferences, serializer: ConferencesArraySerializer
   end
 end
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 21416ebf..fade3e37 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -70,7 +70,7 @@ class ApplicationController < ActionController::Base
 
   rescue_from CanCan::AccessDenied do |exception|
     Rails.logger.debug("Access denied!")
-    redirect_to root_path, :alert => exception.message
+    redirect_to root_path, alert: exception.message
   end
   helper_method :organizer_or_admin?
 
diff --git a/app/controllers/event_attachments_controller.rb b/app/controllers/event_attachments_controller.rb
index af6ce3fc..a54fc2a4 100644
--- a/app/controllers/event_attachments_controller.rb
+++ b/app/controllers/event_attachments_controller.rb
@@ -1,6 +1,6 @@
 class EventAttachmentsController < ApplicationController
   before_filter :verify_user
-  skip_before_filter :verify_user, :only => [:show]
+  skip_before_filter :verify_user, only: [:show]
 
   def index
     @proposal = Event.find(params[:proposal_id])
@@ -67,9 +67,9 @@ class EventAttachmentsController < ApplicationController
     respond_to do |format|
       if @upload.save
         format.html {
-          render :json => [@upload.to_jq_upload].to_json,
-                 :content_type => 'text/html',
-                 :layout => false
+          render json: [@upload.to_jq_upload].to_json,
+                 content_type: 'text/html',
+                 layout: false
         }
         format.json do
           render json: [@upload.to_jq_upload].to_json, status: :created,
@@ -108,7 +108,7 @@ class EventAttachmentsController < ApplicationController
     
     respond_to do |format|
 
-      format.html { redirect_back_or_to conference_proposal_index_path(@conference.short_title), :notice => "Deleted successfully attachment '#{@upload.title}' for proposal '#{@proposal.title}'" }
+      format.html { redirect_back_or_to conference_proposal_index_path(@conference.short_title), notice: "Deleted successfully attachment '#{@upload.title}' for proposal '#{@proposal.title}'" }
 
       format.json { head :no_content }
     end
diff --git a/app/controllers/schedule_controller.rb b/app/controllers/schedule_controller.rb
index de984489..365d8bf2 100644
--- a/app/controllers/schedule_controller.rb
+++ b/app/controllers/schedule_controller.rb
@@ -2,7 +2,7 @@ class ScheduleController < ApplicationController
   layout "application"
   
   def index
-    @conference = Conference.includes(:rooms, {:events => [:speakers, :track, :event_type]}).where("conferences.short_title" => params[:conference_id]).first
+    @conference = Conference.includes(:rooms, {events: [:speakers, :track, :event_type]}).where("conferences.short_title" => params[:conference_id]).first
     @rooms = @conference.rooms
     @events = @conference.events
     @dates = @conference.start_date..@conference.end_date
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 620bf62a..43d72465 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -126,15 +126,15 @@ module ApplicationHelper
   end
 
   def add_association_link(association_name, form_builder, div_class, html_options = {})
-    link_to_add_association "Add " + association_name.to_s.singularize, form_builder, div_class, html_options.merge(:class => "assoc btn btn-success")
+    link_to_add_association "Add " + association_name.to_s.singularize, form_builder, div_class, html_options.merge(class: "assoc btn btn-success")
   end
 
   def remove_association_link(association_name, form_builder)
-    link_to_remove_association("Remove " + association_name.to_s.singularize, form_builder, :class => "assoc btn btn-danger") + tag(:hr)
+    link_to_remove_association("Remove " + association_name.to_s.singularize, form_builder, class: "assoc btn btn-danger") + tag(:hr)
   end
 
   def dynamic_association(association_name, title, form_builder, options = {})
-    render "shared/dynamic_association", :association_name => association_name, :title => title, :f => form_builder, :hint => options[:hint]
+    render "shared/dynamic_association", association_name: association_name, title: title, f: form_builder, hint: options[:hint]
   end
 
   def has_role?(current_user, role)
diff --git a/app/mailers/mailbot.rb b/app/mailers/mailbot.rb
index ea40fa12..f73ba4fb 100644
--- a/app/mailers/mailbot.rb
+++ b/app/mailers/mailbot.rb
@@ -55,10 +55,10 @@ class Mailbot < ActionMailer::Base
   end
 
   def build_email(conference, to, subject, body)
-    mail(:to => to,
-         :from => conference.contact_email,
-         :reply_to => conference.contact_email,
-         :subject => subject,
-         :body => body)
+    mail(to: to,
+         from: conference.contact_email,
+         reply_to: conference.contact_email,
+         subject: subject,
+         body: body)
   end
 end
diff --git a/app/models/answer.rb b/app/models/answer.rb
index da91c47a..fa0894fd 100644
--- a/app/models/answer.rb
+++ b/app/models/answer.rb
@@ -2,7 +2,7 @@ class Answer < ActiveRecord::Base
   attr_accessible :title
   
   has_many :qanswers
-  has_many :questions, :through => :qanswers
+  has_many :questions, through: :qanswers
 
-  validates :title, :presence => true
+  validates :title, presence: true
 end
diff --git a/app/models/call_for_papers.rb b/app/models/call_for_papers.rb
index 7581fed2..d14ba923 100644
--- a/app/models/call_for_papers.rb
+++ b/app/models/call_for_papers.rb
@@ -5,7 +5,7 @@ class CallForPapers < ActiveRecord::Base
   belongs_to :conference
 
   validates_presence_of :start_date, :end_date
-  validates :rating, :numericality => { :greater_than_or_equal_to => 0, :less_than_or_equal_to => 10 }
+  validates :rating, numericality: { greater_than_or_equal_to: 0, less_than_or_equal_to: 10 }
 
   ##
   # Calculates how many weeks the call for paper is.
diff --git a/app/models/comment.rb b/app/models/comment.rb
index 350a5b25..6196856e 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -1,5 +1,5 @@
 class Comment < ActiveRecord::Base
-  acts_as_nested_set :scope => [:commentable_id, :commentable_type]
+  acts_as_nested_set scope: [:commentable_id, :commentable_type]
   attr_accessible :commentable, :body, :user_id
   validates_presence_of :body
   validates_presence_of :user
@@ -8,7 +8,7 @@ class Comment < ActiveRecord::Base
   # want user to vote on the quality of comments.
   #acts_as_votable
 
-  belongs_to :commentable, :polymorphic => true
+  belongs_to :commentable, polymorphic: true
 
   # NOTE: Comments belong to a user
   belongs_to :user
@@ -18,9 +18,9 @@ class Comment < ActiveRecord::Base
   # example in readme
   def self.build_from(obj, user_id, comment)
     new \
-      :commentable => obj,
-      :body        => comment,
-      :user_id     => user_id
+      commentable: obj,
+      body: comment,
+      user_id: user_id
   end
 
   #helper method to check if a comment has children
@@ -31,13 +31,13 @@ class Comment < ActiveRecord::Base
   # Helper class method to lookup all comments assigned
   # to all commentable types for a given user.
   scope :find_comments_by_user, lambda { |user|
-    where(:user_id => user.id).order('created_at DESC')
+    where(user_id: user.id).order('created_at DESC')
   }
 
   # Helper class method to look up all comments for
   # commentable class name and commentable id.
   scope :find_comments_for_commentable, lambda { |commentable_str, commentable_id|
-    where(:commentable_type => commentable_str.to_s, :commentable_id => commentable_id).order('created_at DESC')
+    where(commentable_type: commentable_str.to_s, commentable_id: commentable_id).order('created_at DESC')
   }
 
   # Helper class method to look up a commentable object
diff --git a/app/models/conference.rb b/app/models/conference.rb
index f269a1bb..d2a3a907 100644
--- a/app/models/conference.rb
+++ b/app/models/conference.rb
@@ -89,7 +89,7 @@ class Conference < ActiveRecord::Base
             format: URI::regexp(%w(http https)), allow_blank: true
 
   validates_uniqueness_of :short_title
-  validates_format_of :short_title, :with => /\A[a-zA-Z0-9_-]*\z/
+  validates_format_of :short_title, with: /\A[a-zA-Z0-9_-]*\z/
   before_create :generate_guid
   before_create :create_venue
   before_create :create_event_types
diff --git a/app/models/difficulty_level.rb b/app/models/difficulty_level.rb
index 8334ce69..ac8306ae 100644
--- a/app/models/difficulty_level.rb
+++ b/app/models/difficulty_level.rb
@@ -4,5 +4,5 @@ class DifficultyLevel < ActiveRecord::Base
   belongs_to :conference
   has_many :events
 
-  validates :title, :presence => true
+  validates :title, presence: true
 end
diff --git a/app/models/event_attachment.rb b/app/models/event_attachment.rb
index 98d3c547..41915248 100644
--- a/app/models/event_attachment.rb
+++ b/app/models/event_attachment.rb
@@ -4,7 +4,7 @@ class EventAttachment < ActiveRecord::Base
   belongs_to :event
   attr_accessible :public, :attachment, :event_id, :title
 
-  has_attached_file :attachment, :path => ":rails_root/storage/:rails_env/attachments/:id/:style/:basename.:extension"
+  has_attached_file :attachment, path: ":rails_root/storage/:rails_env/attachments/:id/:style/:basename.:extension"
   include Rails.application.routes.url_helpers
 
   def to_jq_upload
diff --git a/app/models/event_type.rb b/app/models/event_type.rb
index dfa81a71..81db86da 100644
--- a/app/models/event_type.rb
+++ b/app/models/event_type.rb
@@ -4,7 +4,7 @@ class EventType < ActiveRecord::Base
   belongs_to :conference
 
   validates :title, presence: true
-  validates :length, :numericality => {:greater_than => 0} 
+  validates :length, numericality: {greater_than: 0} 
   validates :minimum_abstract_length, presence: true
   validates :maximum_abstract_length, presence: true
 
diff --git a/app/models/qanswer.rb b/app/models/qanswer.rb
index f2628c8a..3376814d 100644
--- a/app/models/qanswer.rb
+++ b/app/models/qanswer.rb
@@ -2,7 +2,7 @@ class Qanswer < ActiveRecord::Base
   attr_accessible :question_id, :answer_id
 
   belongs_to :question
-  belongs_to :answer, :dependent => :delete
+  belongs_to :answer, dependent: :delete
   
   has_and_belongs_to_many :registrations
 end
diff --git a/app/models/question.rb b/app/models/question.rb
index 35d693aa..1a6302c1 100644
--- a/app/models/question.rb
+++ b/app/models/question.rb
@@ -4,11 +4,11 @@ class Question < ActiveRecord::Base
   belongs_to :question_type
   has_and_belongs_to_many :conferences
   
-  has_many :qanswers, :dependent => :delete_all
-  has_many :answers, :through => :qanswers, :dependent => :delete_all
+  has_many :qanswers, dependent: :delete_all
+  has_many :answers, through: :qanswers, dependent: :delete_all
   
-  validates :title, :presence => true
-  validates :answers, :presence => true
+  validates :title, presence: true
+  validates :answers, presence: true
   
-  accepts_nested_attributes_for :answers, :allow_destroy => true
+  accepts_nested_attributes_for :answers, allow_destroy: true
 end
diff --git a/app/models/vday.rb b/app/models/vday.rb
index 118bf5e2..a752c12f 100644
--- a/app/models/vday.rb
+++ b/app/models/vday.rb
@@ -4,5 +4,5 @@ class Vday < ActiveRecord::Base
   belongs_to :conference
 
   has_many :vchoices
-  has_many :vpositions, :through => :vchoices, :dependent => :destroy
+  has_many :vpositions, through: :vchoices, dependent: :destroy
 end
diff --git a/app/models/venue.rb b/app/models/venue.rb
index 21934332..0963c0d7 100644
--- a/app/models/venue.rb
+++ b/app/models/venue.rb
@@ -20,7 +20,7 @@ class Venue < ActiveRecord::Base
   def generate_guid
     loop do
       @guid = SecureRandom.urlsafe_base64
-      break if !Venue.where(:guid => guid).any?
+      break if !Venue.where(guid: guid).any?
     end
     self.guid = @guid
   end
diff --git a/app/models/vposition.rb b/app/models/vposition.rb
index 308f94ff..4f6e0966 100644
--- a/app/models/vposition.rb
+++ b/app/models/vposition.rb
@@ -4,7 +4,7 @@ class Vposition < ActiveRecord::Base
   belongs_to :conference
 
   has_many :vchoices
-  has_many :vdays, :through => :vchoices
+  has_many :vdays, through: :vchoices
 
   validates_presence_of :title, :vdays
 end
diff --git a/config/application.rb b/config/application.rb
index 4c76b590..a9790016 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -5,7 +5,7 @@ include ActionView::Helpers::NumberHelper
 
 if defined?(Bundler)
   # If you precompile assets before deploying to production, use this line
-  Bundler.require(*Rails.groups(:assets => %w(development test)))
+  Bundler.require(*Rails.groups(assets: %w(development test)))
   # If you want your assets lazily compiled in production, use this line
   # Bundler.require(:default, :assets, Rails.env)
 end
diff --git a/config/deploy.rb b/config/deploy.rb
index 2ffab60a..80509ff9 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -12,7 +12,7 @@ set :repository, 'https://github.com/openSUSE/osem.git'
 # They will be linked in the 'deploy:link_shared_paths' step.
 set :shared_paths, %w{ config/database.yml log public/system config/secrets.yml config/config.yml tmp}
 
-task :setup => :environment do
+task setup: :environment do
   queue! %[mkdir -p "#{deploy_to}/shared/log"]
   queue! %[chmod g+rx,u+rwx "#{deploy_to}/shared/log"]
 
@@ -27,7 +27,7 @@ task :setup => :environment do
 end
 
 desc 'Deploys the current version to the server.'
-task :deploy => :environment do
+task deploy: :environment do
   deploy do
     invoke :'git:clone'
     invoke :'deploy:link_shared_paths'
@@ -43,7 +43,7 @@ task :deploy => :environment do
 end
 
 desc 'Notifies the exception handler of the deploy.'
-task :notify_errbit => :environment do
+task notify_errbit: :environment do
   revision = `git rev-parse HEAD`.strip
   user = ENV['USER']
   queue "bundle exec rake hoptoad:deploy TO=#{rails_env} REVISION=#{revision} REPO=#{repository} USER=#{user}"
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 75fcca69..14a4bdc6 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -35,6 +35,6 @@ Osem::Application.configure do
   config.eager_load = false
 
   # Set the detault url for action mailer
-  config.action_mailer.default_url_options = { :host => CONFIG['url_for_emails'] }
+  config.action_mailer.default_url_options = { host: CONFIG['url_for_emails'] }
 
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index f7cccb68..69c7f9de 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -67,5 +67,5 @@ Osem::Application.configure do
   config.active_support.deprecation = :notify
 
   # Set the detault url for action mailer
-  config.action_mailer.default_url_options = { :host => CONFIG['url_for_emails'] }
+  config.action_mailer.default_url_options = { host: CONFIG['url_for_emails'] }
 end
diff --git a/config/routes.rb b/config/routes.rb
index 57efb713..c62b3282 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -70,7 +70,7 @@ Osem::Application.routes.draw do
           patch :restart
           get :vote
         end
-        resource :speaker, :only => [:edit, :update]
+        resource :speaker, only: [:edit, :update]
       end
 
       resources :supporters
@@ -79,11 +79,11 @@ Osem::Application.routes.draw do
 
   resources :conference, only: [:show] do
     resources :proposal do
-      resources :event_attachment, :controller => "event_attachments"
+      resources :event_attachment, controller: "event_attachments"
       patch '/confirm' => 'proposal#confirm'
       patch '/restart' => 'proposal#restart'
     end
-    resource :schedule, :only => [] do
+    resource :schedule, only: [] do
       get "/" => "schedule#index"
     end
     member do
@@ -96,17 +96,17 @@ Osem::Application.routes.draw do
 
   namespace :api, defaults: {format: 'json'} do
     namespace :v1 do
-      resources :conferences, :only => :index do
-        resources :conferences, :only => :index
-        resources :rooms, :only => :index
-        resources :tracks, :only => :index
-        resources :speakers, :only => :index
-        resources :events, :only => :index
+      resources :conferences, only: :index do
+        resources :conferences, only: :index
+        resources :rooms, only: :index
+        resources :tracks, only: :index
+        resources :speakers, only: :index
+        resources :events, only: :index
       end
-      resources :rooms, :only => :index
-      resources :tracks, :only => :index
-      resources :speakers, :only => :index
-      resources :events, :only => :index
+      resources :rooms, only: :index
+      resources :tracks, only: :index
+      resources :speakers, only: :index
+      resources :events, only: :index
     end
   end
 
diff --git a/db/migrate/20121223110942_devise_create_users.rb b/db/migrate/20121223110942_devise_create_users.rb
index cd02db0e..aa694e16 100644
--- a/db/migrate/20121223110942_devise_create_users.rb
+++ b/db/migrate/20121223110942_devise_create_users.rb
@@ -2,8 +2,8 @@ class DeviseCreateUsers < ActiveRecord::Migration
   def up
     create_table(:users) do |t|
       ## Database authenticatable
-      t.string :email,              :null => false, :default => ""
-      t.string :encrypted_password, :null => false, :default => ""
+      t.string :email,              null: false, default: ""
+      t.string :encrypted_password, null: false, default: ""
 
       ## Recoverable
       t.string   :reset_password_token
@@ -13,7 +13,7 @@ class DeviseCreateUsers < ActiveRecord::Migration
       t.datetime :remember_created_at
 
       ## Trackable
-      t.integer  :sign_in_count, :default => 0
+      t.integer  :sign_in_count, default: 0
       t.datetime :current_sign_in_at
       t.datetime :last_sign_in_at
       t.string   :current_sign_in_ip
@@ -36,9 +36,9 @@ class DeviseCreateUsers < ActiveRecord::Migration
       t.timestamps
     end
 
-    add_index :users, :email,                :unique => true
-    add_index :users, :reset_password_token, :unique => true
-    add_index :users, :confirmation_token,   :unique => true
+    add_index :users, :email,                unique: true
+    add_index :users, :reset_password_token, unique: true
+    add_index :users, :confirmation_token,   unique: true
     # add_index :users, :unlock_token,         :unique => true
     # add_index :users, :authentication_token, :unique => true
   end
diff --git a/db/migrate/20121223115038_create_conferences_table.rb b/db/migrate/20121223115038_create_conferences_table.rb
index 7dd19349..932b66e7 100644
--- a/db/migrate/20121223115038_create_conferences_table.rb
+++ b/db/migrate/20121223115038_create_conferences_table.rb
@@ -1,17 +1,17 @@
 class CreateConferencesTable < ActiveRecord::Migration
   def up
     create_table :conferences do |t|
-      t.string :guid, :null => false
-      t.string :title, :null => false
-      t.string :short_title, :null => false
+      t.string :guid, null: false
+      t.string :title, null: false
+      t.string :short_title, null: false
       t.string :social_tag
-      t.string :contact_email, :null => false
-      t.string :timezone, :null => false
+      t.string :contact_email, null: false
+      t.string :timezone, null: false
       t.string :html_export_path
-      t.date :start_date, :null => false
-      t.date :end_date, :null => false
-      t.boolean :cfp_open, :default => false
-      t.boolean :registration_open, :default => false
+      t.date :start_date, null: false
+      t.date :end_date, null: false
+      t.boolean :cfp_open, default: false
+      t.boolean :registration_open, default: false
       t.references :venue
 
       t.timestamps
diff --git a/db/migrate/20121223115106_create_people_table.rb b/db/migrate/20121223115106_create_people_table.rb
index 202f22fe..f378afaa 100644
--- a/db/migrate/20121223115106_create_people_table.rb
+++ b/db/migrate/20121223115106_create_people_table.rb
@@ -1,12 +1,12 @@
 class CreatePeopleTable < ActiveRecord::Migration
   def up
     create_table :people do |t|
-      t.string :guid, :null => false
-      t.string :first_name, :default => ""
-      t.string :last_name, :default => ""
-      t.string :public_name, :default => ""
-      t.string :company, :default => ""
-      t.string :email, :null => false
+      t.string :guid, null: false
+      t.string :first_name, default: ""
+      t.string :last_name, default: ""
+      t.string :public_name, default: ""
+      t.string :company, default: ""
+      t.string :email, null: false
       t.boolean :email_public
       t.string :avatar_file_name
       t.string :avatar_content_type
diff --git a/db/migrate/20121223115117_create_rooms_table.rb b/db/migrate/20121223115117_create_rooms_table.rb
index dc11072e..0a45ac62 100644
--- a/db/migrate/20121223115117_create_rooms_table.rb
+++ b/db/migrate/20121223115117_create_rooms_table.rb
@@ -1,11 +1,11 @@
 class CreateRoomsTable < ActiveRecord::Migration
   def up
     create_table :rooms do |t|
-      t.string :guid, :null => false
+      t.string :guid, null: false
       t.references :conference
-      t.string :name, :null => false
+      t.string :name, null: false
       t.integer :size
-      t.boolean :public, :default => true
+      t.boolean :public, default: true
     end
   end
 
diff --git a/db/migrate/20121223115125_create_tracks_table.rb b/db/migrate/20121223115125_create_tracks_table.rb
index 8e06f0a3..58d50fda 100644
--- a/db/migrate/20121223115125_create_tracks_table.rb
+++ b/db/migrate/20121223115125_create_tracks_table.rb
@@ -1,11 +1,11 @@
 class CreateTracksTable < ActiveRecord::Migration
   def up
     create_table :tracks do |t|
-      t.string :guid, :null => false
+      t.string :guid, null: false
       t.references :conference
-      t.string :name, :null => false
+      t.string :name, null: false
       t.text :description
-      t.string :color, :default => "#ffffff"
+      t.string :color, default: "#ffffff"
 
       t.timestamps
     end
diff --git a/db/migrate/20121223115135_create_events_table.rb b/db/migrate/20121223115135_create_events_table.rb
index 7542d5ec..a0c9fac0 100644
--- a/db/migrate/20121223115135_create_events_table.rb
+++ b/db/migrate/20121223115135_create_events_table.rb
@@ -1,19 +1,19 @@
 class CreateEventsTable < ActiveRecord::Migration
   def up
     create_table :events do |t|
-      t.string :guid, :null => false
+      t.string :guid, null: false
       t.references :conference
       t.references :event_type
-      t.string :title, :null => false
+      t.string :title, null: false
       t.string :subtitle
       t.integer :time_slots
-      t.string :state, :null => false, :default => "new"
-      t.string :progress, :null => false, :default => "new"
+      t.string :state, null: false, default: "new"
+      t.string :progress, null: false, default: "new"
       t.string :language
       t.datetime :start_time
       t.text :abstract
       t.text :description
-      t.boolean :public, :default => true
+      t.boolean :public, default: true
       t.string :logo_file_name
       t.string :logo_content_type
       t.integer :logo_file_size
diff --git a/db/migrate/20121223120413_create_event_types.rb b/db/migrate/20121223120413_create_event_types.rb
index d3e8743b..3257ade4 100644
--- a/db/migrate/20121223120413_create_event_types.rb
+++ b/db/migrate/20121223120413_create_event_types.rb
@@ -2,8 +2,8 @@ class CreateEventTypes < ActiveRecord::Migration
   def up
     create_table :event_types do |t|
       t.references :conference
-      t.string :title, :null => false
-      t.integer :length, :default => 30
+      t.string :title, null: false
+      t.integer :length, default: 30
     end
   end
 
diff --git a/db/migrate/20121223122307_create_event_people_table.rb b/db/migrate/20121223122307_create_event_people_table.rb
index 9ee30bc6..3459b433 100644
--- a/db/migrate/20121223122307_create_event_people_table.rb
+++ b/db/migrate/20121223122307_create_event_people_table.rb
@@ -4,7 +4,7 @@ class CreateEventPeopleTable < ActiveRecord::Migration
       t.references :proposal
       t.references :person
       t.references :event
-      t.string :event_role, :null => false, :default => "participant"
+      t.string :event_role, null: false, default: "participant"
       t.string :comment
 
       t.timestamps
diff --git a/db/migrate/20121223135447_user_roles_table.rb b/db/migrate/20121223135447_user_roles_table.rb
index 81f715dc..1f23cbb1 100644
--- a/db/migrate/20121223135447_user_roles_table.rb
+++ b/db/migrate/20121223135447_user_roles_table.rb
@@ -1,6 +1,6 @@
 class UserRolesTable < ActiveRecord::Migration
   def self.up
-    create_table :roles_users, :id => false do |t|
+    create_table :roles_users, id: false do |t|
       t.references :role, :user
     end
   end
diff --git a/db/migrate/20121224144728_create_cfp_table.rb b/db/migrate/20121224144728_create_cfp_table.rb
index d8180398..eb730271 100644
--- a/db/migrate/20121224144728_create_cfp_table.rb
+++ b/db/migrate/20121224144728_create_cfp_table.rb
@@ -1,10 +1,10 @@
 class CreateCfpTable < ActiveRecord::Migration
   def up
     create_table :call_for_papers do |t|
-      t.date :start_date, :null => false
-      t.date :end_date, :null => false
-      t.date :hard_deadline, :null => false
-      t.text :description, :null => false
+      t.date :start_date, null: false
+      t.date :end_date, null: false
+      t.date :hard_deadline, null: false
+      t.text :description, null: false
       t.references :conference
 
       t.timestamps
diff --git a/db/migrate/20130103134212_create_registrations_table.rb b/db/migrate/20130103134212_create_registrations_table.rb
index 9618d62c..41877ad5 100644
--- a/db/migrate/20130103134212_create_registrations_table.rb
+++ b/db/migrate/20130103134212_create_registrations_table.rb
@@ -4,9 +4,9 @@ class CreateRegistrationsTable < ActiveRecord::Migration
       t.references :person
       t.references :conference
 
-      t.boolean :attending_social_events, :default => true
-      t.boolean :attending_social_events_with_partner, :default => false
-      t.boolean :using_affiliated_lodging, :default => true
+      t.boolean :attending_social_events, default: true
+      t.boolean :attending_social_events_with_partner, default: false
+      t.boolean :using_affiliated_lodging, default: true
       t.date :arrival
       t.date :departure
 
diff --git a/db/migrate/20130104142209_create_comments.rb b/db/migrate/20130104142209_create_comments.rb
index 2cb9baca..f52c0c2b 100644
--- a/db/migrate/20130104142209_create_comments.rb
+++ b/db/migrate/20130104142209_create_comments.rb
@@ -1,9 +1,9 @@
 class CreateComments < ActiveRecord::Migration
   def self.up
     create_table :comments do |t|
-      t.string :title, :limit => 50, :default => "" 
+      t.string :title, limit: 50, default: "" 
       t.text :comment
-      t.references :commentable, :polymorphic => true
+      t.references :commentable, polymorphic: true
       t.references :user
       t.timestamps
     end
diff --git a/db/migrate/20130105115603_create_event_attachments_table.rb b/db/migrate/20130105115603_create_event_attachments_table.rb
index 9f140c27..0332eb03 100644
--- a/db/migrate/20130105115603_create_event_attachments_table.rb
+++ b/db/migrate/20130105115603_create_event_attachments_table.rb
@@ -2,12 +2,12 @@ class CreateEventAttachmentsTable < ActiveRecord::Migration
   def up
     create_table :event_attachments do |t|
       t.references :event
-      t.string :title, :null => false
+      t.string :title, null: false
       t.string :attachment_file_name
       t.string :attachment_content_type
       t.integer :attachment_file_size
       t.datetime :attachment_updated_at
-      t.boolean :public, :default => true
+      t.boolean :public, default: true
       t.timestamps
     end
   end
diff --git a/db/migrate/20130107113653_remove_cfp_and_reg_booleans_from_conferences.rb b/db/migrate/20130107113653_remove_cfp_and_reg_booleans_from_conferences.rb
index 48e53f37..5eaa39df 100644
--- a/db/migrate/20130107113653_remove_cfp_and_reg_booleans_from_conferences.rb
+++ b/db/migrate/20130107113653_remove_cfp_and_reg_booleans_from_conferences.rb
@@ -5,7 +5,7 @@ class RemoveCfpAndRegBooleansFromConferences < ActiveRecord::Migration
   end
 
   def down
-    add_column :conferences, :cfp_open, :default => false
-    add_column :registration_open, :default => false
+    add_column :conferences, :cfp_open, default: false
+    add_column :registration_open, default: false
   end
 end
diff --git a/db/migrate/20130107114930_create_versions.rb b/db/migrate/20130107114930_create_versions.rb
index be8287d8..02694362 100644
--- a/db/migrate/20130107114930_create_versions.rb
+++ b/db/migrate/20130107114930_create_versions.rb
@@ -1,9 +1,9 @@
 class CreateVersions < ActiveRecord::Migration
   def self.up
     create_table :versions do |t|
-      t.string   :item_type, :null => false
-      t.integer  :item_id,   :null => false
-      t.string   :event,     :null => false
+      t.string   :item_type, null: false
+      t.integer  :item_id,   null: false
+      t.string   :event,     null: false
       t.string   :whodunnit
       t.text     :object
       t.text     :object_changes
diff --git a/db/migrate/20130113105652_create_email_table.rb b/db/migrate/20130113105652_create_email_table.rb
index 0d566bcd..a7b6b3e6 100644
--- a/db/migrate/20130113105652_create_email_table.rb
+++ b/db/migrate/20130113105652_create_email_table.rb
@@ -2,10 +2,10 @@ class CreateEmailTable < ActiveRecord::Migration
   def up
     create_table :email_settings do |t|
       t.references :conference
-      t.boolean :send_on_registration, :default => true
-      t.boolean :send_on_accepted, :default => true
-      t.boolean :send_on_rejected, :default => true
-      t.boolean :send_on_confirmed_without_registration, :default => true
+      t.boolean :send_on_registration, default: true
+      t.boolean :send_on_accepted, default: true
+      t.boolean :send_on_rejected, default: true
+      t.boolean :send_on_confirmed_without_registration, default: true
       t.text :registration_email_template
       t.text :accepted_email_template
       t.text :rejected_email_template
diff --git a/db/migrate/20130131100257_add_minimum_and_maximum_abstract_lengths_to_event_types.rb b/db/migrate/20130131100257_add_minimum_and_maximum_abstract_lengths_to_event_types.rb
index b1d1e171..9ca53b4c 100644
--- a/db/migrate/20130131100257_add_minimum_and_maximum_abstract_lengths_to_event_types.rb
+++ b/db/migrate/20130131100257_add_minimum_and_maximum_abstract_lengths_to_event_types.rb
@@ -1,6 +1,6 @@
 class AddMinimumAndMaximumAbstractLengthsToEventTypes < ActiveRecord::Migration
   def change
-    add_column :event_types, :minimum_abstract_length, :integer, :default => 0
-    add_column :event_types, :maximum_abstract_length, :integer, :default => 500
+    add_column :event_types, :minimum_abstract_length, :integer, default: 0
+    add_column :event_types, :maximum_abstract_length, :integer, default: 500
   end
 end
diff --git a/db/migrate/20130202091022_add_dietary_choice_to_conferences.rb b/db/migrate/20130202091022_add_dietary_choice_to_conferences.rb
index c1e55417..50287c31 100644
--- a/db/migrate/20130202091022_add_dietary_choice_to_conferences.rb
+++ b/db/migrate/20130202091022_add_dietary_choice_to_conferences.rb
@@ -1,5 +1,5 @@
 class AddDietaryChoiceToConferences < ActiveRecord::Migration
   def change
-    add_column :conferences, :use_dietary_choices, :boolean, :default => false
+    add_column :conferences, :use_dietary_choices, :boolean, default: false
   end
 end
diff --git a/db/migrate/20130202091051_create_dietary_choices_table.rb b/db/migrate/20130202091051_create_dietary_choices_table.rb
index bc320e88..464c7250 100644
--- a/db/migrate/20130202091051_create_dietary_choices_table.rb
+++ b/db/migrate/20130202091051_create_dietary_choices_table.rb
@@ -2,7 +2,7 @@ class CreateDietaryChoicesTable < ActiveRecord::Migration
   def up
     create_table :dietary_choices do |t|
       t.references :conference
-      t.string :title, :null => false
+      t.string :title, null: false
       t.timestamps
     end
   end
diff --git a/db/migrate/20130202102024_add_handicapped_access_to_registrations.rb b/db/migrate/20130202102024_add_handicapped_access_to_registrations.rb
index 63cd4251..e98b4e2f 100644
--- a/db/migrate/20130202102024_add_handicapped_access_to_registrations.rb
+++ b/db/migrate/20130202102024_add_handicapped_access_to_registrations.rb
@@ -1,5 +1,5 @@
 class AddHandicappedAccessToRegistrations < ActiveRecord::Migration
   def change
-    add_column :registrations, :handicapped_access_required, :boolean, :default => false
+    add_column :registrations, :handicapped_access_required, :boolean, default: false
   end
 end
diff --git a/db/migrate/20130202130737_create_supporter_level_table.rb b/db/migrate/20130202130737_create_supporter_level_table.rb
index 342a37fd..417fe9d0 100644
--- a/db/migrate/20130202130737_create_supporter_level_table.rb
+++ b/db/migrate/20130202130737_create_supporter_level_table.rb
@@ -2,7 +2,7 @@ class CreateSupporterLevelTable < ActiveRecord::Migration
   def up
     create_table :supporter_levels do |t|
       t.references :conference
-      t.string :title, :null => false
+      t.string :title, null: false
       t.string :url
     end
   end
diff --git a/db/migrate/20130202130923_create_table_supporter_registrations.rb b/db/migrate/20130202130923_create_table_supporter_registrations.rb
index 625d2286..5137ebb9 100644
--- a/db/migrate/20130202130923_create_table_supporter_registrations.rb
+++ b/db/migrate/20130202130923_create_table_supporter_registrations.rb
@@ -7,7 +7,7 @@ class CreateTableSupporterRegistrations < ActiveRecord::Migration
       t.string :name
       t.string :email
       t.string :code
-      t.boolean :code_is_valid, :default => false
+      t.boolean :code_is_valid, default: false
     end
   end
 
diff --git a/db/migrate/20130202131932_add_use_supporter_levels_to_conferences.rb b/db/migrate/20130202131932_add_use_supporter_levels_to_conferences.rb
index 5d3918b2..f201511a 100644
--- a/db/migrate/20130202131932_add_use_supporter_levels_to_conferences.rb
+++ b/db/migrate/20130202131932_add_use_supporter_levels_to_conferences.rb
@@ -1,5 +1,5 @@
 class AddUseSupporterLevelsToConferences < ActiveRecord::Migration
   def change
-    add_column :conferences, :use_supporter_levels, :boolean, :default => false
+    add_column :conferences, :use_supporter_levels, :boolean, default: false
   end
 end
diff --git a/db/migrate/20130216120112_create_registrations_social_events_table.rb b/db/migrate/20130216120112_create_registrations_social_events_table.rb
index df245ed0..9a783d4f 100644
--- a/db/migrate/20130216120112_create_registrations_social_events_table.rb
+++ b/db/migrate/20130216120112_create_registrations_social_events_table.rb
@@ -1,6 +1,6 @@
 class CreateRegistrationsSocialEventsTable < ActiveRecord::Migration
   def up
-    create_table :registrations_social_events, :id => false do |t|
+    create_table :registrations_social_events, id: false do |t|
       t.references :registration, :social_event
     end
   end
diff --git a/db/migrate/20130216122155_set_registration_defaults_to_false.rb b/db/migrate/20130216122155_set_registration_defaults_to_false.rb
index b8bdce04..bbb45d64 100644
--- a/db/migrate/20130216122155_set_registration_defaults_to_false.rb
+++ b/db/migrate/20130216122155_set_registration_defaults_to_false.rb
@@ -1,6 +1,6 @@
 class SetRegistrationDefaultsToFalse < ActiveRecord::Migration
   def up
-    change_column :registrations, :using_affiliated_lodging, :boolean, :default => false
+    change_column :registrations, :using_affiliated_lodging, :boolean, default: false
   end
 
   def down
diff --git a/db/migrate/20130711043459_create_events_registrations_table.rb b/db/migrate/20130711043459_create_events_registrations_table.rb
index 3238c571..0c084a9a 100644
--- a/db/migrate/20130711043459_create_events_registrations_table.rb
+++ b/db/migrate/20130711043459_create_events_registrations_table.rb
@@ -1,6 +1,6 @@
 class CreateEventsRegistrationsTable < ActiveRecord::Migration
   def up
-    create_table :events_registrations, :id => false do |t|
+    create_table :events_registrations, id: false do |t|
       t.references :registration, :event
     end
   end
diff --git a/db/migrate/20130712072609_add_attended_to_registrations.rb b/db/migrate/20130712072609_add_attended_to_registrations.rb
index c7420f04..3a6f15ee 100644
--- a/db/migrate/20130712072609_add_attended_to_registrations.rb
+++ b/db/migrate/20130712072609_add_attended_to_registrations.rb
@@ -1,5 +1,5 @@
 class AddAttendedToRegistrations < ActiveRecord::Migration
   def change
-    add_column :registrations, :attended, :boolean, :default => 0
+    add_column :registrations, :attended, :boolean, default: 0
   end
 end
diff --git a/db/migrate/20130728055450_add_schedule_changes_to_call_for_papers.rb b/db/migrate/20130728055450_add_schedule_changes_to_call_for_papers.rb
index 277f08fa..d0cabf03 100644
--- a/db/migrate/20130728055450_add_schedule_changes_to_call_for_papers.rb
+++ b/db/migrate/20130728055450_add_schedule_changes_to_call_for_papers.rb
@@ -1,5 +1,5 @@
 class AddScheduleChangesToCallForPapers < ActiveRecord::Migration
   def change
-    add_column :call_for_papers, :schedule_changes, :boolean, :default => 0
+    add_column :call_for_papers, :schedule_changes, :boolean, default: 0
   end
 end
diff --git a/db/migrate/20130815201317_add_rating_to_call_for_papers.rb b/db/migrate/20130815201317_add_rating_to_call_for_papers.rb
index 234ba63d..1aab4ac6 100644
--- a/db/migrate/20130815201317_add_rating_to_call_for_papers.rb
+++ b/db/migrate/20130815201317_add_rating_to_call_for_papers.rb
@@ -1,5 +1,5 @@
 class AddRatingToCallForPapers < ActiveRecord::Migration
   def change
-    add_column :call_for_papers, :rating, :integer, :null => 1
+    add_column :call_for_papers, :rating, :integer, null: 1
   end
 end
diff --git a/db/migrate/20130821133651_create_vpositions.rb b/db/migrate/20130821133651_create_vpositions.rb
index 10c15263..af7fa36c 100644
--- a/db/migrate/20130821133651_create_vpositions.rb
+++ b/db/migrate/20130821133651_create_vpositions.rb
@@ -2,7 +2,7 @@ class CreateVpositions < ActiveRecord::Migration
   def up
     create_table :vpositions do |t|
       t.references :conference
-      t.string :title, :null => false
+      t.string :title, null: false
       t.text :description
 
       t.timestamps
diff --git a/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb b/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb
index d81556d7..7fe2f314 100644
--- a/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb
+++ b/db/migrate/20131228132353_change_default_rating_in_call_for_papers.rb
@@ -1,9 +1,9 @@
 class ChangeDefaultRatingInCallForPapers < ActiveRecord::Migration
   def up
-    change_column :call_for_papers, :rating, :integer, :default => 3
+    change_column :call_for_papers, :rating, :integer, default: 3
   end
 
   def down
-    change_column :call_for_papers, :rating, :integer, :null => 1
+    change_column :call_for_papers, :rating, :integer, null: 1
   end
 end
diff --git a/db/migrate/20131229072532_registrations_vchoices.rb b/db/migrate/20131229072532_registrations_vchoices.rb
index ae1d824e..1c25a32f 100644
--- a/db/migrate/20131229072532_registrations_vchoices.rb
+++ b/db/migrate/20131229072532_registrations_vchoices.rb
@@ -1,6 +1,6 @@
 class RegistrationsVchoices < ActiveRecord::Migration
   def up
-    create_table :registrations_vchoices, :id => false do |t|
+    create_table :registrations_vchoices, id: false do |t|
       t.references :registration, :vchoice
     end
   end
diff --git a/db/migrate/20140109191321_create_conferences_questions.rb b/db/migrate/20140109191321_create_conferences_questions.rb
index 4a46952b..7cb8dbaf 100644
--- a/db/migrate/20140109191321_create_conferences_questions.rb
+++ b/db/migrate/20140109191321_create_conferences_questions.rb
@@ -1,6 +1,6 @@
 class CreateConferencesQuestions < ActiveRecord::Migration
   def change
-    create_table :conferences_questions, :id => false do |t|
+    create_table :conferences_questions, id: false do |t|
       t.references :conference
       t.references :question
     end
diff --git a/db/migrate/20140112192801_create_qanswers_registrations.rb b/db/migrate/20140112192801_create_qanswers_registrations.rb
index b1a6b79c..e523173a 100644
--- a/db/migrate/20140112192801_create_qanswers_registrations.rb
+++ b/db/migrate/20140112192801_create_qanswers_registrations.rb
@@ -1,8 +1,8 @@
 class CreateQanswersRegistrations < ActiveRecord::Migration
   def change
-    create_table :qanswers_registrations, :id => false do |t|
-      t.references :registration, :null => false
-      t.references :qanswer, :null => false
+    create_table :qanswers_registrations, id: false do |t|
+      t.references :registration, null: false
+      t.references :qanswer, null: false
     end
   end
 end
diff --git a/db/migrate/20140212172244_create_difficulty_levels.rb b/db/migrate/20140212172244_create_difficulty_levels.rb
index c4f06239..dd5be4d0 100644
--- a/db/migrate/20140212172244_create_difficulty_levels.rb
+++ b/db/migrate/20140212172244_create_difficulty_levels.rb
@@ -4,7 +4,7 @@ class CreateDifficultyLevels < ActiveRecord::Migration
       t.references :conference
       t.string :title
       t.text :description
-      t.string :color, :default => "#ffffff"
+      t.string :color, default: "#ffffff"
 
       t.timestamps
     end
diff --git a/db/migrate/20140212175251_add_use_difficulty_levels_to_conference.rb b/db/migrate/20140212175251_add_use_difficulty_levels_to_conference.rb
index 9fbb503f..00df5c25 100644
--- a/db/migrate/20140212175251_add_use_difficulty_levels_to_conference.rb
+++ b/db/migrate/20140212175251_add_use_difficulty_levels_to_conference.rb
@@ -1,5 +1,5 @@
 class AddUseDifficultyLevelsToConference < ActiveRecord::Migration
   def change
-    add_column :conferences, :use_difficulty_levels, :boolean, :default => false    
+    add_column :conferences, :use_difficulty_levels, :boolean, default: false    
   end
 end
diff --git a/db/migrate/20140305102505_use_vdays_vpositions_defaults.rb b/db/migrate/20140305102505_use_vdays_vpositions_defaults.rb
index 9c8fc4e9..c579854e 100644
--- a/db/migrate/20140305102505_use_vdays_vpositions_defaults.rb
+++ b/db/migrate/20140305102505_use_vdays_vpositions_defaults.rb
@@ -1,11 +1,11 @@
 class UseVdaysVpositionsDefaults < ActiveRecord::Migration
   def up
-    change_column :conferences, :use_vpositions, :boolean, :default => false
-    change_column :conferences, :use_vdays, :boolean, :default => false
+    change_column :conferences, :use_vpositions, :boolean, default: false
+    change_column :conferences, :use_vdays, :boolean, default: false
   end
 
   def down
-    change_column :conferences, :use_vpositions, :boolean, :default => nil 
-    change_column :conferences, :use_vdays, :boolean, :default => nil 
+    change_column :conferences, :use_vpositions, :boolean, default: nil 
+    change_column :conferences, :use_vdays, :boolean, default: nil 
   end
 end
diff --git a/db/seeds.rb b/db/seeds.rb
index c01e0fcc..92d873a8 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -5,22 +5,22 @@
 #
 #   cities = City.create([{ name: 'Chicago' }, { name: 'Copenhagen' }])
 #   Mayor.create(name: 'Emanuel', city: cities.first)
-Role.create(:name => "Participant")
-Role.create(:name => "Organizer")
-Role.create(:name => "Admin")
+Role.create(name: "Participant")
+Role.create(name: "Organizer")
+Role.create(name: "Admin")
 
-qtype_yesno = QuestionType.create(:title => "Yes/No")
-QuestionType.create(:title => "Single Choice")
-QuestionType.create(:title => "Multiple Choice")
+qtype_yesno = QuestionType.create(title: "Yes/No")
+QuestionType.create(title: "Single Choice")
+QuestionType.create(title: "Multiple Choice")
 
-answer_yes = Answer.create(:title => "Yes")
-answer_no = Answer.create(:title => "No")
+answer_yes = Answer.create(title: "Yes")
+answer_no = Answer.create(title: "No")
 
 questions_yes_no = ["Do you need handicapped access to the venue?", "Are you attending with partner?", "Will you attend the social event(s)?", "Will you stay at suggested hotel?"]
 
 questions_yes_no.each do |i|
-  q = Question.create(:title => i, :question_type_id => qtype_yesno.id, :global => true)
+  q = Question.create(title: i, question_type_id: qtype_yesno.id, global: true)
 
-  Qanswer.create(:question_id => q.id, :answer_id => answer_no.id)
-  Qanswer.create(:question_id => q.id, :answer_id => answer_yes.id)
+  Qanswer.create(question_id: q.id, answer_id: answer_no.id)
+  Qanswer.create(question_id: q.id, answer_id: answer_yes.id)
 end
diff --git a/spec/support/database_cleaner.rb b/spec/support/database_cleaner.rb
index 65e4ba37..4fb7551f 100644
--- a/spec/support/database_cleaner.rb
+++ b/spec/support/database_cleaner.rb
@@ -7,7 +7,7 @@ RSpec.configure do |config|
     DatabaseCleaner.strategy = :transaction
   end
   
-  config.before(:each, :js => true) do
+  config.before(:each, js: true) do
     DatabaseCleaner.strategy = :truncation
   end
 
diff --git a/spec/support/login_macros.rb b/spec/support/login_macros.rb
index 716cbbbe..67b9743c 100644
--- a/spec/support/login_macros.rb
+++ b/spec/support/login_macros.rb
@@ -3,7 +3,7 @@ module LoginMacros
   Warden.test_mode!
 
   def sign_in(user)
-    login_as(user, :scope => :user)
+    login_as(user, scope: :user)
   end
 
   def sign_out
diff --git a/spec/views/home/index.html.haml_spec.rb b/spec/views/home/index.html.haml_spec.rb
index 6affa8d8..5c258854 100644
--- a/spec/views/home/index.html.haml_spec.rb
+++ b/spec/views/home/index.html.haml_spec.rb
@@ -5,6 +5,6 @@ describe 'home/index' do
     allow(view).to receive(:date_string).and_return("January 17 - 21 2014")
     assign(:current, [create(:conference), create(:conference)])
     render
-    expect(view).to render_template(:partial => "_conference_details", :count => 2)
+    expect(view).to render_template(partial: "_conference_details", count: 2)
   end
 end