Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  d34fec4ff23c2b8e9219c6efb5b833ea7735cf50

Add categories to the interface

Also move some things around a liiiittle bit. Not too much.

Change-Id: I7a5b8d900f5173fa20142d205e4992361b9e81a3
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/41