Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  37c8e1525731fab12da2493b9df435db08bdecc8

Implemented changes for translatewiki

Moved to Json i18n files
Improved messages
Seperated timestamp to date and time
Suggested message is better because the preference is for all users and
not only administrators

Change-Id: I40600068d2015dc8eef46d2aab8ece38bc862ec0