Merge branch '3.0'

diff --cc wcfsetup/install/files/lib/system/exception/AJAXException.class.php
index 04fd78ad8d1240864d67ebc2a4ebe62abce1f1cd,ef4b3e5048b88b8364301d4fdc31cf563502a846..6032846463c5750b4110f5e03453a49ba327c0b4
--- 1/wcfsetup/install/files/lib/system/exception/AJAXException.class.php
--- 2/wcfsetup/install/files/lib/system/exception/AJAXException.class.php
+++ b/wcfsetup/install/files/lib/system/exception/AJAXException.class.php
@@@ -7,7 -8,7 +8,7 @@@ use wcf\util\JSON
   * AJAXException provides JSON-encoded exceptions.
   * 
   * @author    Alexander Ebert
-  * @copyright 2001-2018 WoltLab GmbH
 - * @copyright 2001-2019 WoltLab GmbH
++ * @copyright 2001-2019 WoltLab Gmb
   * @license   GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
   * @package   WoltLabSuite\Core\System\Exception
   */