Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  daccf8ce23b05aa60b5faebb593ed596a1974847

Support for all manner of images

Thumbnails still supported, but we also do categories and galleries,
now!

https://mingle.corp.wikimedia.org/projects/multimedia/cards/57

Change-Id: Ieee973eb165eec3e4cff1f0d387e2c20369e126b