Updated file headers

Author: mcurry

views/helpers/ajax_chat.php

@@ -1,4 +1,16 @@
 <?php
+/*
+ * CakePHP Ajax Chat Plugin (using jQuery);
+ * Copyright (c) 2008 Matt Curry
+ * www.PseudoCoder.com
+ * http://github.com/mcurry/cakephp/tree/master/plugins/chat
+ * http://sandbox2.pseudocoder.com/demo/chat
+ *
+ * @author      Matt Curry <[email protected]>
+ * @license     MIT
+ *
+ */
+
 if (!defined('CHAT_FREQUENCY')) {
 	define('CHAT_FREQUENCY', 5);
 }