Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  ab0517ed103f906038104fcefb1ea0417d4fe7d9

Implemented changes for translatewiki

Move php language file into languages folder
Moved to Json i18n files
Removed superfulous message from qqq
Improved messages

Change-Id: I7fb59beaaa6369f11a077a81ee20927262fa8c00