update rails default files

config/initializers/assets.rb

@@ -1 +1,11 @@
-Rails.application.config.assets.precompile += %w( stupidtable.js ugoira_player.js )
+# Be sure to restart your server when you modify this file.
+
+# Version of your assets, change this if you want to expire all your assets.
+Rails.application.config.assets.version = '1.0'
+
+# Add additional assets to the asset load path
+# Rails.application.config.assets.paths << Emoji.images_path
+
+# Precompile additional assets.
+# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
+Rails.application.config.assets.precompile += %w( *.png *.jpg *.gif )

config/initializers/cookies_serializer.rb

@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.action_dispatch.cookies_serializer = :json
+Rails.application.config.action_dispatch.cookies_serializer = :json

config/initializers/wrap_parameters.rb

@@ -10,5 +10,5 @@ end
 
 # To enable root element in JSON for ActiveRecord objects.
 ActiveSupport.on_load(:active_record) do
-  self.include_root_in_json = false
+  self.include_root_in_json = true
 end