Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  8cd21e3c8280494ca2a3322fba0f1d309b49c135

Adjust text style for size indications

For download button and size drop-downs, the size labels
have been set to small and normal weight (in the download button, 
other rules made it to be bold if no weight was specified).

Change-Id: I7511b307a8459d6e4a01f0b9540528046ad2be8e