Minor enhancements and starting to comply with checkstyle

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/Froxlor/Cron/CronConfig.php

@@ -1,6 +1,23 @@
 <?php
 namespace Froxlor\Cron;
 
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2010 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright (c) the authors
+ * @author Michael Kaufmann <mkaufmann@nutime.de>
+ * @author Froxlor team <team@froxlor.org> (2010-)
+ * @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package Cron
+ *
+ * @since 0.10.0
+ *
+ */
 use Froxlor\Database\Database;
 use Froxlor\Settings;
 
@@ -131,4 +148,4 @@ class CronConfig
 		}
 		return true;
 	}
-}
+}