Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  400ddd7b53a1ff6f51dabf2602945b90e2641c5d

Add TaskQueue class

A simple task queue which can be processed or cancelled.
Will be used to handle preloading in a more robust way.

Change-Id: Ib33f9b2d814a35538f9d4f3691fce5ba5cdc82c1