Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  c38fa2fbfe9058770439218141f8f384936ddef9

Fix resize listener leak problem.

Third try, merged latest changes and added a test.
Run loading test against a wikipedia.org image.

Change-Id: I4e5a137e0f6dbedc45ec2c8393590919e23a26be