Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  61cf206db3eeb9bf421a7755a9d96550a75d5a5b

Implemented changes for translatewiki

Moved to Json i18n files
Fixed typos
Moved special page alias file to languages folder
Quoted search term inside messages
Removed Lego message
Added de-formal message
Improved message
Added link to $wgUrlProtocols mediawiki site
Added missing period
Added missing link in german
Added additional parameters to messages for better consistency
Improved message in english
Message description for parameter was missing
Fixed typo
Added PLURAL support to message
Change http to https
Fixed another typo in plural message

Change-Id: I1094361eceedc8eb0b576efc046bb2b3a086ffa9