Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  b78a8ee0dc67fb60ec2bab9eb76c11bfde59da0d

Change tag to magic word

Suggested by Shirayuki at
https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Bs-hidetitle-desc/en

Change-Id: I0ca8e0e9d29a679dbec07c17843d46f0e5cb001f