diff --git a/Gemfile b/Gemfile
index f3dc73c1..4df6a25f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'rails', '3.2.11'
+gem 'rails', '3.2.15'
 
 # Bundle edge Rails instead:
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
@@ -36,8 +36,9 @@ end
 gem 'will_paginate'
 gem 'paperclip', '~> 3.0'
 gem 'jquery-rails'
+gem 'jquery-ui-rails'
 gem 'jquery-fileupload-rails'
-gem 'devise'
+gem 'devise', '~> 2.2'
 gem 'cancan'
 gem "haml"
 gem 'bcrypt-ruby', '~> 3.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index e95ca596..d4ac419f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,34 +2,34 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.0.2)
-    actionmailer (3.2.11)
-      actionpack (= 3.2.11)
-      mail (~> 2.4.4)
-    actionpack (3.2.11)
-      activemodel (= 3.2.11)
-      activesupport (= 3.2.11)
+    actionmailer (3.2.15)
+      actionpack (= 3.2.15)
+      mail (~> 2.5.4)
+    actionpack (3.2.15)
+      activemodel (= 3.2.15)
+      activesupport (= 3.2.15)
       builder (~> 3.0.0)
       erubis (~> 2.7.0)
       journey (~> 1.0.4)
-      rack (~> 1.4.0)
+      rack (~> 1.4.5)
       rack-cache (~> 1.2)
       rack-test (~> 0.6.1)
       sprockets (~> 2.2.1)
     active_model_serializers (0.8.1)
       activemodel (>= 3.0)
-    activemodel (3.2.11)
-      activesupport (= 3.2.11)
+    activemodel (3.2.15)
+      activesupport (= 3.2.15)
       builder (~> 3.0.0)
-    activerecord (3.2.11)
-      activemodel (= 3.2.11)
-      activesupport (= 3.2.11)
+    activerecord (3.2.15)
+      activemodel (= 3.2.15)
+      activesupport (= 3.2.15)
       arel (~> 3.0.2)
       tzinfo (~> 0.3.29)
-    activeresource (3.2.11)
-      activemodel (= 3.2.11)
-      activesupport (= 3.2.11)
-    activesupport (3.2.11)
-      i18n (~> 0.6)
+    activeresource (3.2.15)
+      activemodel (= 3.2.15)
+      activesupport (= 3.2.15)
+    activesupport (3.2.15)
+      i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
     acts_as_commentable_with_threading (1.1.3)
       activerecord (>= 3.0)
@@ -39,15 +39,15 @@ GEM
     arel (3.0.2)
     awesome_nested_set (2.1.6)
       activerecord (>= 3.0.0)
-    axlsx (1.3.6)
+    axlsx (2.0.1)
       htmlentities (~> 4.3.1)
       nokogiri (>= 1.4.1)
-      rubyzip (>= 0.9.5)
-    axlsx_rails (0.1.4)
+      rubyzip (~> 1.0.0)
+    axlsx_rails (0.1.5)
       axlsx
       rails (>= 3.1)
     bcrypt-ruby (3.0.1)
-    bootstrap-sass (2.3.2.0)
+    bootstrap-sass (2.3.2.2)
       sass (~> 3.2)
     builder (3.0.4)
     cancan (1.6.10)
@@ -62,12 +62,12 @@ GEM
       ffi (~> 1.0, >= 1.0.11)
     climate_control (0.0.3)
       activesupport (>= 3.0)
-    cocaine (0.5.1)
+    cocaine (0.5.2)
       climate_control (>= 0.0.3, < 1.0)
-    cocoon (1.1.2)
+    cocoon (1.2.1)
     coderay (1.0.9)
     daemons (1.1.9)
-    devise (2.2.4)
+    devise (2.2.7)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.1)
       railties (~> 3.1)
@@ -75,47 +75,46 @@ GEM
     diff-lcs (1.1.3)
     erubis (2.7.0)
     eventmachine (1.0.3)
-    execjs (1.4.0)
-      multi_json (~> 1.0)
+    execjs (2.0.2)
     ffi (1.9.0)
     formtastic (2.2.1)
       actionpack (>= 3.0)
-    formtastic-bootstrap (2.1.1)
+    formtastic-bootstrap (2.1.3)
       formtastic (~> 2.2)
     gravtastic (3.2.6)
-    haml (4.0.2)
+    haml (4.0.3)
       tilt
-    hashery (2.1.0)
-    hike (1.2.2)
+    hashery (2.1.1)
+    hike (1.2.3)
     htmlentities (4.3.1)
-    i18n (0.6.4)
+    i18n (0.6.5)
     journey (1.0.4)
     jquery-fileupload-rails (0.4.1)
       actionpack (>= 3.1)
       railties (>= 3.1)
-    jquery-rails (2.2.1)
+    jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.0)
-    libv8 (3.11.8.17)
-    mail (2.4.4)
-      i18n (>= 0.4.0)
+    jquery-ui-rails (4.0.5)
+      railties (>= 3.1.0)
+    json (1.8.1)
+    libv8 (3.16.14.3)
+    mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    method_source (0.8.1)
-    mime-types (1.23)
-    mini_portile (0.5.0)
-    multi_json (1.7.3)
-    mysql2 (0.3.11)
+    method_source (0.8.2)
+    mime-types (1.25)
+    mini_portile (0.5.1)
+    multi_json (1.8.2)
+    mysql2 (0.3.13)
     nokogiri (1.6.0)
       mini_portile (~> 0.5.0)
     orm_adapter (0.4.0)
-    paper_trail (2.7.1)
+    paper_trail (2.7.2)
       activerecord (~> 3.0)
       railties (~> 3.0)
-    paperclip (3.4.1)
+    paperclip (3.5.1)
       activemodel (>= 3.0.0)
-      activerecord (>= 3.0.0)
       activesupport (>= 3.0.0)
       cocaine (~> 0.5.0)
       mime-types
@@ -143,22 +142,22 @@ GEM
       rack
     rack-test (0.6.2)
       rack (>= 1.0)
-    rails (3.2.11)
-      actionmailer (= 3.2.11)
-      actionpack (= 3.2.11)
-      activerecord (= 3.2.11)
-      activeresource (= 3.2.11)
-      activesupport (= 3.2.11)
+    rails (3.2.15)
+      actionmailer (= 3.2.15)
+      actionpack (= 3.2.15)
+      activerecord (= 3.2.15)
+      activeresource (= 3.2.15)
+      activesupport (= 3.2.15)
       bundler (~> 1.0)
-      railties (= 3.2.11)
-    railties (3.2.11)
-      actionpack (= 3.2.11)
-      activesupport (= 3.2.11)
+      railties (= 3.2.15)
+    railties (3.2.15)
+      actionpack (= 3.2.15)
+      activesupport (= 3.2.15)
       rack-ssl (~> 1.3.2)
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
-    rake (10.0.4)
+    rake (10.1.0)
     rdoc (3.12.2)
       json (~> 1.4)
     ref (1.0.5)
@@ -176,26 +175,26 @@ GEM
       railties (>= 3.0)
       rspec (~> 2.11.0)
     ruby-rc4 (0.1.5)
-    rubyzip (0.9.9)
-    sass (3.2.5)
-    sass-rails (3.2.5)
+    rubyzip (1.0.0)
+    sass (3.2.12)
+    sass-rails (3.2.6)
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
-    selenium-webdriver (2.33.0)
+    selenium-webdriver (2.37.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)
-      rubyzip
+      rubyzip (~> 1.0.0)
       websocket (~> 1.0.4)
-    slop (3.4.5)
+    slop (3.4.6)
     sprockets (2.2.2)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sqlite3 (1.3.7)
-    therubyracer (0.11.4)
-      libv8 (~> 3.11.8.12)
+    sqlite3 (1.3.8)
+    therubyracer (0.12.0)
+      libv8 (~> 3.16.14.0)
       ref
     thin (1.5.1)
       daemons (>= 1.0.9)
@@ -203,19 +202,19 @@ GEM
       rack (>= 1.0.0)
     thor (0.18.1)
     tilt (1.4.1)
-    transitions (0.1.8)
-    treetop (1.4.12)
+    transitions (0.1.11)
+    treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
     ttfunk (1.0.3)
-    tzinfo (0.3.37)
-    uglifier (2.1.1)
+    tzinfo (0.3.38)
+    uglifier (2.2.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    warden (1.2.1)
+    warden (1.2.3)
       rack (>= 1.0)
     websocket (1.0.7)
-    will_paginate (3.0.4)
+    will_paginate (3.0.5)
     xpath (0.1.4)
       nokogiri (~> 1.3)
 
@@ -231,19 +230,20 @@ DEPENDENCIES
   cancan
   capybara (= 1.1.2)
   cocoon
-  devise
+  devise (~> 2.2)
   formtastic-bootstrap
   gravtastic
   haml
   jquery-fileupload-rails
   jquery-rails
+  jquery-ui-rails
   mysql2
   paper_trail
   paperclip (~> 3.0)
   prawn
   prawn_rails
   pry
-  rails (= 3.2.11)
+  rails (= 3.2.15)
   rspec-rails (= 2.11.0)
   sass-rails (~> 3.2.3)
   sqlite3
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 1eb791b1..288f730d 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -12,7 +12,7 @@
 //
 //= require jquery
 //= require jquery_ujs
-//= require jquery-ui
+//= require jquery.ui.all
 //= require jquery-fileupload
 //= require jquery-ui-timepicker-addon
 //= require jquery.dataTables
diff --git a/app/controllers/admin/stats_controller.rb b/app/controllers/admin/stats_controller.rb
index f83bb675..29b08d84 100644
--- a/app/controllers/admin/stats_controller.rb
+++ b/app/controllers/admin/stats_controller.rb
@@ -28,20 +28,22 @@ class Admin::StatsController < ApplicationController
     @mydays = []
     @mytickets = []
 
-    (@conference.registration_start_date..@conference.end_date).each do |day|
-      day_reg_count = @registrations.where("created_at LIKE '%#{day}%' ").count
-      day_ticket_count = @tickets.where("supporter_registrations.created_at LIKE '%#{day}%' ").count
-      if  day_reg_count != 0
-        @mydays << {"status" => "#{day}", "value" => day_reg_count}
-      end
-      @conference.supporter_levels.each do |level|
-        day_ticket_count = @tickets.where("supporter_registrations.created_at LIKE ? AND supporter_levels.title LIKE ?", "%#{day}%", "%#{level.title}%").count
-        if day_ticket_count !=0
-          @mytickets << {"status" => "#{day}", "ticket" => "#{level}", "value" => day_ticket_count}
+    if @conference.registration_start_date and @conference.end_date
+      (@conference.registration_start_date..@conference.end_date).each do |day|
+        day_reg_count = @registrations.where("created_at LIKE '%#{day}%' ").count
+        day_ticket_count = @tickets.where("supporter_registrations.created_at LIKE '%#{day}%' ").count
+        if  day_reg_count != 0
+          @mydays << {"status" => "#{day}", "value" => day_reg_count}
+        end
+        @conference.supporter_levels.each do |level|
+          day_ticket_count = @tickets.where("supporter_registrations.created_at LIKE ? AND supporter_levels.title LIKE ?", "%#{day}%", "%#{level.title}%").count
+          if day_ticket_count !=0
+            @mytickets << {"status" => "#{day}", "ticket" => "#{level}", "value" => day_ticket_count}
+          end
         end
       end
     end
-
+    
     @other_info = [
       {"status" => "with partner (registered)", "value" => @registered_with_partner}, 
       {"status" => "with partner (attended)", "value" => @attended_with_partner}, 
diff --git a/app/views/admin/stats/_registrations.html.haml b/app/views/admin/stats/_registrations.html.haml
index 53abef12..f216dbac 100644
--- a/app/views/admin/stats/_registrations.html.haml
+++ b/app/views/admin/stats/_registrations.html.haml
@@ -1,6 +1,9 @@
 .row-fluid
   .span4
-    %h4{:style => "text-indent: 25px"}= "Registrations - Attendees (#{(@attendees.to_f / @registered * 100).round}%)"
+    - if @attendees > 0
+      %h4{:style => "text-indent: 25px"}= "Registrations - Attendees (#{(@attendees.to_f / @registered * 100).round }%)"
+    - else
+      %h4{:style => "text-indent: 25px"}= "Registrations - Attendees"
     .row-fluid
       .span12#registrations_attendees
 
diff --git a/db/migrate/20131022131450_add_created_at_to_supporter_registrations.rb b/db/migrate/20131022131450_add_created_at_to_supporter_registrations.rb
new file mode 100644
index 00000000..9ec2317a
--- /dev/null
+++ b/db/migrate/20131022131450_add_created_at_to_supporter_registrations.rb
@@ -0,0 +1,5 @@
+class AddCreatedAtToSupporterRegistrations < ActiveRecord::Migration
+  def change
+    add_column :supporter_registrations, :created_at, :datetime
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 75658aca..7e6d2465 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,16 +11,19 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130712072609) do
+ActiveRecord::Schema.define(:version => 20131022131450) do
 
   create_table "call_for_papers", :force => true 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.integer  "conference_id"
-    t.datetime "created_at",    :null => false
-    t.datetime "updated_at",    :null => false
+    t.datetime "created_at",                          :null => false
+    t.datetime "updated_at",                          :null => false
+    t.boolean  "schedule_changes", :default => false
+    t.integer  "rating"
+    t.text     "rating_desc"
   end
 
   create_table "comments", :force => true do |t|
@@ -227,13 +230,14 @@ ActiveRecord::Schema.define(:version => 20130712072609) do
   end
 
   create_table "supporter_registrations", :force => true do |t|
-    t.integer "registration_id"
-    t.integer "supporter_level_id"
-    t.integer "conference_id"
-    t.string  "name"
-    t.string  "email"
-    t.string  "code"
-    t.boolean "code_is_valid",      :default => false
+    t.integer  "registration_id"
+    t.integer  "supporter_level_id"
+    t.integer  "conference_id"
+    t.string   "name"
+    t.string   "email"
+    t.string   "code"
+    t.boolean  "code_is_valid",      :default => false
+    t.datetime "created_at"
   end
 
   create_table "tracks", :force => true do |t|
@@ -293,4 +297,12 @@ ActiveRecord::Schema.define(:version => 20130712072609) do
 
   add_index "versions", ["item_type", "item_id"], :name => "index_versions_on_item_type_and_item_id"
 
+  create_table "votes", :force => true do |t|
+    t.integer  "person_id"
+    t.integer  "event_id"
+    t.integer  "rating"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
 end