diff -r 5e7a0fedabdf -r 877f952ae2bd web/lib/Zend/Rest/Controller.php
--- a/web/lib/Zend/Rest/Controller.php	Thu Mar 21 17:31:31 2013 +0100
+++ b/web/lib/Zend/Rest/Controller.php	Thu Mar 21 19:50:53 2013 +0100
@@ -14,9 +14,9 @@
  *
  * @category   Zend
  * @package    Zend_Rest
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Controller.php 20096 2010-01-06 02:05:09Z bkarwin $
+ * @version    $Id: Controller.php 25024 2012-07-30 15:08:15Z rob $
  */
 
 /** Zend_Controller_Action */
@@ -29,7 +29,7 @@
  * @category   Zend
  * @package Zend_Rest
  * @see Zend_Rest_Route
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Rest_Controller extends Zend_Controller_Action
@@ -48,6 +48,13 @@
     abstract public function getAction();
 
     /**
+     * The head action handles HEAD requests and receives an 'id' parameter; it
+     * should respond with the server resource state of the resource identified
+     * by the 'id' value.
+     */
+    abstract public function headAction();
+
+    /**
      * The post action handles POST requests; it should accept and digest a
      * POSTed resource representation and persist the resource state.
      */
@@ -67,4 +74,4 @@
      */
     abstract public function deleteAction();
 
-}
\ No newline at end of file
+}