Application\Hook is the new Hook loader

library/Icinga/Application/Hook.php

@@ -1,7 +1,7 @@
 <?php
 /* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
 
-namespace Icinga\Web;
+namespace Icinga\Application;
 
 use Exception;
 use Icinga\Application\Logger;