Implement role authorization

config/initializers/rolify.rb

@@ -0,0 +1,8 @@
+Rolify.configure do |config|
+  # By default ORM adapter is ActiveRecord. uncomment to use mongoid
+  # config.use_mongoid
+
+  # Dynamic shortcuts for User class (user.is_admin? like methods). Default is: false
+  # Enable this feature _after_ running rake db:migrate as it relies on the roles table
+  config.use_dynamic_shortcuts
+end