Changes in Gemfile

Gemfile

@@ -6,7 +6,7 @@ gem "brakeman"
 gem 'bson_ext'
 gem 'carrierwave'
 gem 'carrierwave-mongoid', :require => 'carrierwave/mongoid'
-gem 'devise'
+gem 'devise', '1.5.3'
 gem 'exception_notification' # Send error trace
 gem 'execjs'
 gem 'jquery-rails'
@@ -23,7 +23,7 @@ gem 'rubyzip'
 gem 'sinatra'
 gem 'sprockets'
 gem 'tinymce-rails'
-#gem 'therubyracer'
+gem 'therubyracer' if RUBY_PLATFORM.downcase.include?("linux")
 
 # Gems used only for assets and not required
 # in production environments by default.