Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  0d51b0128d1ce16f8dce46b56cb040a92ce14b98

Preload Media Viewer js/css when hovering thumbs

Change-Id: I6f56c9d3d908f1980d2a3b29bea857d828fdaf0e
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/430