Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  096a3efdcc9cc922daeaabf9f9bd779f3a2372e3

Tweak messages

Inspired by a comment of Robby at
https://translatewiki.net/wiki/Thread:Support/MediaWiki:Bs-authors-desc/en

Change-Id: I985be4a7d4623bd7ce823efd37e132cb5b284f14