Add decorators as engine dependency

README.md

@@ -49,6 +49,10 @@ end
 ```
 
 ## Changelog
+v0.2.3 Removed 'multi_json' dependency
+
+v0.2.2 Require decorators as dependency
+
 v0.2.1 Use built-in rails JSON parser.
 
 v0.2.0 Supports version 3 of the Sendgrid webhook released on 

lib/gridhook.rb

@@ -1,5 +1,4 @@
 require 'rails/engine'
-require 'multi_json'
 require 'action_view'
 require 'action_dispatch'
 

lib/gridhook/engine.rb

@@ -1,4 +1,9 @@
 module Gridhook
   class Engine < ::Rails::Engine
+    config.to_prepare do
+      Dir.glob(Rails.root + "app/decorators/gridhook/*_decorator*.rb").each do |c|
+        require_dependency(c)
+      end
+    end
   end
 end

lib/gridhook/version.rb

@@ -1,3 +1,3 @@
 module Gridhook
-  VERSION = '0.2.1'
+  VERSION = '0.2.3'
 end