Updated mediawiki/skins
Project: mediawiki/skins/BlueSpiceSkin  cbced23ba1d1ba9bdb1773fa78dbdb7fd457be7c

BS223 Facelift

* added new icon set
* css fixes for several extensions
* js fixes and animation changes for several extensions
* switched several dom elements

Change-Id: I8c51a03b66bccee8ec42e007a9b2c2f6df561a93