Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceFoundation  bb32b83f56c7ac73d35b92de97320928924f99d4

BS223 Facelift

* changed icon for more menu
* changed search button to icon type button

Change-Id: If73750e2a4c4bdf1d257bc0719cb0fae9ca844df