Precompile the rails_admin assets.

Author: pglombardo

config/application.rb

@@ -46,7 +46,6 @@ class Application < Rails::Application
     config.assets.version = '1.0'
 
     config.assets.initialize_on_precompile = false
-    config.assets.precompile += ['fd-slider.css', 'fd-slider.js']
-    
+    config.assets.precompile += ['fd-slider.css', 'fd-slider.js', 'rails_admin/rails_admin.css', 'rails_admin/rails_admin.js']
   end
 end