rubocop files update and auto correction

db/migrate/20140623101032_create_ahoy_events.rb

@@ -1,6 +1,6 @@
 class CreateAhoyEvents < ActiveRecord::Migration
   def change
-    create_table :ahoy_events  do |t|
+    create_table :ahoy_events do |t|
       t.uuid :visit_id
       # user
       t.integer :user_id

db/migrate/20140701123203_add_events_per_week_to_conference.rb

@@ -42,12 +42,12 @@ class AddEventsPerWeekToConference < ActiveRecord::Migration
         end
 
         if event_version.object_changes &&
-            event_version.event == 'create'
+           event_version.event == 'create'
 
           # Increment the new state
           conference.events_per_week[week][:new] += 1
         elsif event_version.object_changes &&
-            event_version.object_changes[:state]
+              event_version.object_changes[:state]
 
           prev_state = event_version.object_changes[:state][0].to_sym
           next_state = event_version.object_changes[:state][1].to_sym
@@ -55,7 +55,7 @@ class AddEventsPerWeekToConference < ActiveRecord::Migration
           # Backward compatibility: deprecated state :review now :new
           if prev_state == :review
             prev_state = :new
-          elsif  next_state == :review
+          elsif next_state == :review
             next_state = :new
           end
 

db/migrate/20140719160903_create_delayed_jobs.rb

@@ -3,7 +3,7 @@ class CreateDelayedJobs < ActiveRecord::Migration
     create_table :delayed_jobs, force: true do |table|
       table.integer  :priority, default: 0, null: false # Allows some jobs to jump to the front of the queue
       table.integer  :attempts, default: 0, null: false # Provides for retries, but still fail eventually.
-      table.text     :handler, null: false                 # YAML-encoded string of the object that will do work
+      table.text     :handler, null: false # YAML-encoded string of the object that will do work
       table.text     :last_error                              # reason for last failure (See Note below)
       table.datetime :run_at                                  # When to run. Could be Time.zone.now for immediately, or sometime in the future.
       table.datetime :locked_at                               # Set when a client is working on this object

db/migrate/20140730104658_migrate_roles_for_cancancan.rb

@@ -17,9 +17,7 @@ class MigrateRolesForCancancan < ActiveRecord::Migration
     end
 
     # Delete old roles
-    Role.first(old_roles).each do |role|
-      role.destroy
-    end
+    Role.first(old_roles).each(&:destroy)
   end
 
   def down

db/migrate/20140820093735_migrating_supporter_registrations_to_ticket_users.rb

@@ -42,9 +42,9 @@ class MigratingSupporterRegistrationsToTicketUsers < ActiveRecord::Migration
     # Sum up if a user has bought more than one ticket
     TempSupporterRegistrations.all.each do |s|
       sup_reg = TempSupporterRegistrations.where(
-          ticket_id: s.ticket_id,
-          user_id: s.user_id,
-          conference_id: s.conference_id)
+        ticket_id: s.ticket_id,
+        user_id: s.user_id,
+        conference_id: s.conference_id)
       quantity = sup_reg.count
 
       if quantity > 1