update .php_cs file

Author: prolic

.php_cs

@@ -1,4 +1,12 @@
 <?php
+/**
+ * This file is part of the prooph/php-cs-fixer-config.
+ * (c) 2016-2016 prooph software GmbH <contact@prooph.de>
+ * (c) 2016-2016 Sascha-Oliver Prolic <saschaprolic@googlemail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
 
 $config = new Prooph\CS\Config\Prooph();
 $config->getFinder()->in(__DIR__);
@@ -7,4 +15,4 @@ $cacheDir = getenv('TRAVIS') ? getenv('HOME') . '/.php-cs-fixer' : __DIR__;
 
 $config->setCacheFile($cacheDir . '/.php_cs.cache');
 
-return $config;
+return $config;