Added missing license information

webgui/ajax.php

 <?php
+	# Ajax to PHP
+	# Copyright (C) 2007-2009, AllWorldIT
+	# 
+	# This program is free software; you can redistribute it and/or modify
+	# it under the terms of the GNU General Public License as published by
+	# the Free Software Foundation; either version 2 of the License, or
+	# (at your option) any later version.
+	# 
+	# This program 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 General Public License for more details.
+	# 
+	# You should have received a copy of the GNU General Public License along
+	# with this program; if not, write to the Free Software Foundation, Inc.,
+	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 
 	# Requires / Includes
 	include_once("include/ajax/json.php");