Ensure AR not found errors are handled in API

app/controllers/api/application_controller.rb

@@ -1,11 +1,17 @@
 module API
   class ApplicationController < ::ApplicationController
+    rescue_from ActiveRecord::RecordNotFound, with: :not_found
+
     skip_before_filter :verify_authenticity_token
     skip_before_filter :authenticate!, only: :cor_preflight
 
     before_filter :cor_filter
     before_filter :json_filter!
 
+    def not_found
+      head :not_found
+    end
+
     def cor_filter
       headers['Access-Control-Allow-Origin'] = request.headers['Origin'] ?
         request.headers['Origin'] :

app/controllers/api/errors_controller.rb

@@ -1,7 +0,0 @@
-module API
-  class ErrorsController < ApplicationController
-    def not_found
-      head :not_found
-    end
-  end
-end