Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  86f2ec0a34cbb1e7e4679b073f9846cb5519c215

ShoutBox: Fixed some issues

* Fixed caching
* Added additions by Manfred Dennerlein
* Fixed BsBaseTemplate issues
* Small qqq improvements

Change-Id: I006f5c7570874d15811701da2dbfb9d0b1b8b61d