Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  c41b60021d6a675893b1f4f783d4c0545ea01775

Move libraries to the lib/ directory

Didn't move unicodejs because it doesn't have its own repo
and is currently mastered in this repo

Change-Id: I14ab4bd641077d993ac235d8bcdcf8e50a1a72a7