Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  6858c41fa69cb84ea26d3e1b7aa965a2930d12b3

Disable IE < 9

At the moment issues in core are preventing Media Viewer
from working on IE < 9. Let's disable it in those browsers for now.

Change-Id: Icdd29f3c00fb8eeb3d463e8b8718d54d6cd01a23