Add updated license header to KWUtils file

Author: Jamie Snape

library/KWUtils.php

@@ -1,22 +1,24 @@
 <?php
 /*=========================================================================
-Program:   MIDAS Server
-Language:  PHP/HTML/Java/Javascript/SQL
-Date:      $Date$
-Version:   $Revision$
+ MIDAS Server
+ Copyright (c) Kitware SAS. 26 rue Louis Guérin. 69100 Villeurbanne, FRANCE
+ All rights reserved.
+ More information http://www.kitware.com
 
-Copyright (c) Kitware Inc. 28 Corporate Drive. All rights reserved.
-Clifton Park, NY, 12065, USA.
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
 
-See Copyright.txt for details.
-This software is distributed WITHOUT ANY WARRANTY; without even
-the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-PURPOSE.  See the above copyright notices for more information.
+         http://www.apache.org/licenses/LICENSE-2.0.txt
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
 =========================================================================*/
 
-/**
- * globally useful utility functions.
- */
+/** Globally useful utility functions. */
 class KWUtils
   {
   CONST DEFAULT_MKDIR_MODE = 0775;