improved code style and layout option naming

app/helpers/page_layout_helper.rb

@@ -26,7 +26,7 @@ module PageLayoutHelper
   def fluid_layout(enabled = false)
     if @fluid_layout.nil?
-      @fluid_layout = (current_user && current_user.layout == "wide") || enabled
+      @fluid_layout = (current_user && current_user.layout == "fluid") || enabled
     else
       @fluid_layout
     end

app/helpers/preferences_helper.rb

@@ -2,8 +2,8 @@
 module PreferencesHelper
   def layout_choices
     [
-        ['Small', :small],
-        ['Wide', :wide]
+        ['Fixed', :fixed],
+        ['Fluid', :fluid]
     ]
   end

app/models/user.rb

@@ -173,7 +173,7 @@ class User < ActiveRecord::Base
   after_destroy :post_destroy_hook
   # User's Layout preference
-  enum layout: [:small, :wide]
+  enum layout: [:fixed, :fluid]
   # User's Dashboard preference
   # Note: When adding an option, it MUST go on the end of the array.

app/views/profiles/preferences/show.html.haml

@@ -38,7 +38,7 @@
         .col-sm-10
           = f.select :layout, layout_choices, {}, class: 'form-control'
           .help-block
-            Choose between small (max. 1200px) and wide (100%) application layout
+            Choose between fixed (max. 1200px) and fluid (100%) application layout
       .form-group
         = f.label :dashboard, class: 'control-label' do
           Default Dashboard

app/views/profiles/preferences/update.js.erb

@@ -3,7 +3,7 @@ $('body').removeClass('<%= Gitlab::Themes.body_classes %>')
 $('body').addClass('<%= user_application_theme %>')
 // Toggle container-fluid class
-if ('<%= current_user.layout %>' === 'wide') {
+if ('<%= current_user.layout %>' === 'fluid') {
   $('.content-wrapper').find('.container-fluid').removeClass('container-limited')
 } else {
   $('.content-wrapper').find('.container-fluid').addClass('container-limited')

db/migrate/20151005150751_add_layout_option_for_users.rb

 class AddLayoutOptionForUsers < ActiveRecord::Migration
   def change
-    add_column :users, :layout, :integer, :default => 0
+    add_column :users, :layout, :integer, default: 0
   end
 end
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