Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  9346c0b5280e2a3246eb8b6cfcdb606e2a6d301d

Implemented changes for translatewiki

Moved to Json i18n files
Fixed typo dispalys
Changed error message into correct meaning

Change-Id: Id6bbf0788f23bf017159d5f7be4e93a392860dc6