Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceExtensions  033da8817a4bc27cd3cba9de0d7aa913f97e55f9

UserManager: Added multi select features

* Added checkbox column
* Added multi group assginment
* Added custom expand mechanism for groups list

Change-Id: Ib8b840e8108ad0ba0be28e17342622a721515cd9