Add CakePHP Crud plugin to the API

I wish I knew about this plugin months ago.

By default PDO and CakePHP cast int as string.  This prevents me
from using `<input type="number">`, as the modle that the input
is bound to is actually a string, not an int.

Crud by default casts int back to int via ApiTransformationListener

It also has a bunch of other features which makes the life of a
REST / CRUD developer easier.

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "web/api/app/Plugin/Crud"]
+	path = web/api/app/Plugin/Crud
+	url = git://github.com/FriendsOfCake/crud.git
+	branch = master

web/api/app/Config/bootstrap.php

@@ -69,7 +69,7 @@ Cache::config('default', array('engine' => 'File'));
  * CakePlugin::load('DebugKit'); //Loads a single plugin named DebugKit
  *
  */
-
+CakePlugin::load('Crud');
 /**
  * You can attach event listeners to the request lifecycle as Dispatcher Filter. By default CakePHP bundles two filters:
  *

web/api/app/Controller/AppController.php

@@ -18,8 +18,8 @@
  * @since         CakePHP(tm) v 0.2.9
  * @license       http://www.opensource.org/licenses/mit-license.php MIT License
  */
-
 App::uses('Controller', 'Controller');
+App::uses('CrudControllerTrait', 'Crud.Lib');
 
 /**
  * Application Controller
@@ -31,4 +31,18 @@ App::uses('Controller', 'Controller');
  * @link		http://book.cakephp.org/2.0/en/controllers.html#the-app-controller
  */
 class AppController extends Controller {
+	use CrudControllerTrait;
+
+	public $components = [
+		'RequestHandler',
+		'Crud.Crud' => [
+			'actions' => [
+				'index' => 'Crud.Index',
+				'add'   => 'Crud.Add',
+				'edit'  => 'Crud.Edit',
+				'view'  => 'Crud.View'
+			],
+			'listeners' => ['Api', 'ApiTransformation']
+		]
+	];
 }

web/api/app/Plugin/Crud

@@ -0,0 +1 @@
+Subproject commit 6faf8df67fb788351e00e9401670558cad3dab05