load assets group to allow lazy compilation in production

config/application.rb

@@ -4,9 +4,9 @@ require 'rails/all'
 if defined?(Bundler)
   # If you precompile assets before deploying to production, use this line
-  Bundler.require *Rails.groups(:assets => %w(development test))
+  # Bundler.require *Rails.groups(:assets => %w(development test))
   # If you want your assets lazily compiled in production, use this line
-  # Bundler.require(:default, :assets, Rails.env)
+  Bundler.require(:default, :assets, Rails.env)
 end
 module Gitlab