Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  9a6da70eb818dc0b1a9da8b0a22b713b770ab200

Expand legend on Special:DispatchStats

I suppose it's more efficient than explaining this to Wikipedias one by one.
Should be clear enough without repeating too many translations and
without explaining each and every cell in the tables.

Change-Id: I70a469c50d6bfba490abf0419fec0caefa6e8cd1