Copyright update.

Author: Roman Syroeshko

tests/PhpWord/Collection/CollectionTest.php

@@ -1,9 +1,17 @@
 <?php
 /**
- * PHPWord
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
  *
  * @link        https://github.com/PHPOffice/PHPWord
- * @copyright   2014 PHPWord
+ * @copyright   2010-2015 PHPWord contributors
  * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
  */