Enable rails-i18n 4.0

Gemfile

@@ -5,7 +5,7 @@ git_source(:github) { |repo_name| "https://github.com/#{repo_name}.git" }
 gem 'i18n', '~> 0.6.11'
 gem 'i18n-js', '~> 3.6.0'
 gem 'rails', '~> 4.0.0'
-# gem 'rails-i18n', '~> 4.0'
+gem 'rails-i18n', '~> 4.0'
 gem 'rails_safe_tasks', '~> 1.0'
 
 gem "activerecord-import"

Gemfile.lock

@@ -584,7 +584,6 @@ GEM
     rubocop-rails (2.4.2)
       rack (>= 1.1)
       rubocop (>= 0.72.0)
-    ruby-ole (1.2.12.2)
     ruby-progressbar (1.10.1)
     ruby-rc4 (0.1.5)
     rubyzip (1.3.0)
@@ -627,9 +626,9 @@ GEM
     state_machine (1.2.0)
     stringex (1.5.1)
     stripe (5.11.0)
-    test-unit (3.3.5)
     temple (0.8.2)
       power_assert
+    test-unit (3.3.5)
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (1.4.1)
@@ -742,6 +741,7 @@ DEPENDENCIES
   rack-rewrite
   rack-ssl
   rails (~> 4.0.0)
+  rails-i18n (~> 4.0)
   rails_safe_tasks (~> 1.0)
   redcarpet
   roadie-rails (~> 1.3.0)
@@ -750,7 +750,7 @@ DEPENDENCIES
   rspec-retry
   rubocop
   rubocop-rails
-  sass-rails (~> 3.2.3)
+  sass-rails
   select2-rails (~> 3.4.7)
   selenium-webdriver
   shoulda-matchers