Updated mediawiki/extensions
Project: mediawiki/extensions/Interwiki  a8778ec2eb0090905a7e4a27509ffc369ece1a3a

Make legend easier to read

Moves the legend table into a system message for easier editing, and reformats
the overall layout as well as changing some of the individual explanations.

Change-Id: I744dce4bbfb9d8623fc4df83def3860626482330