Merge pull request #463 in ZP/z-push from bugfix/ZP-1152-update-license-in-net-smtp.php to develop

* commit '44bd25f8':
  ZP-1152 Net/SMTP.php: Update to the PHP 3.01 version of the PHP license
  ZP-1152 Net/SMTP.php: Update preamble

src/backend/imap/Net/SMTP.php

 <?php
-/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
+/** vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
 // +----------------------------------------------------------------------+
-// | PHP Version 5                                                        |
+// | PHP Version 5 and 7                                                  |
 // +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2003 The PHP Group                                |
+// | Copyright (c) 1997-2015 The PHP Group                                |
 // +----------------------------------------------------------------------+
-// | This source file is subject to version 2.02 of the PHP license,      |
+// | This source file is subject to version 3.01 of the PHP license,      |
 // | that is bundled with this package in the file LICENSE, and is        |
 // | available at through the world-wide-web at                           |
-// | http://www.php.net/license/2_02.txt.                                 |
+// | http://www.php.net/license/3_01.txt.                                 |
 // | If you did not receive a copy of the PHP license and are unable to   |
 // | obtain it through the world-wide-web, please send a note to          |
 // | license@php.net so we can mail you a copy immediately.               |