Add public class for registering api calls

lib/public/api.php

+<?php
+/**
+* ownCloud
+*
+* @author Tom Needham
+* @copyright 2012 Tom Needham tom@owncloud.com
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*
+* You should have received a copy of the GNU Affero General Public
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+namespace OCP;
+
+/**
+ * This class provides functions to manage apps in ownCloud
+ */
+class API {
+        
+	/**
+	* registers an api call
+	* @param string $method the http method
+	* @param string $url the url to match
+	* @param callable $action the function to run
+	* @param string $app the id of the app registering the call
+	*/
+	public function register($method, $url, $action, $app){
+		OC_API::register($method, $url, $action, $app);
+	}
+     
+}