add nokogiri into Gemfile and fixing dup bug again...

config/routes.rb

@@ -47,6 +47,7 @@ PrototypeR4::Application.routes.draw do
     resources :designs do
       member do
         post 'edit_file'  => 'designs#edit_file'
+        get 'apply'
         get 'delete'
       end
     end