[feature/tests] Add extension-testframework from phpBB gallery

ext.php

@@ -0,0 +1,22 @@
+<?php
+/**
+*
+* @package phpBB Gallery Extension
+* @copyright (c) 2013 nickvergessen
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+namespace phpbbgallery\core;
+
+class ext extends \phpbb\extension\base
+{
+}