Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  5b7a75f61ea5c4e2dad1bbd46c409eb1c368f6c0

Fix commons detection, use URL

URLs don't change, they aren't ever localised, etc.

Hopefully this is the end of this problem.

Change-Id: Ib5b41e2e64a5af65f342783cfd41f35559fbfd60