Updated mediawiki/skins
Project: mediawiki/skins/BlueSpiceSkin  6eee5e8db811e1f4880ed8348ddef304dc3cf125

BlueSpiceSkin: Added stylings for ExtendedSearch

This is part of the seperation of extensions and skin styling

See https://gerrit.wikimedia.org/r/#/c/148339/ for related PatchSet

Change-Id: I502afb5771e3909bb920b94e6d5e5ca20e1a5415