Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  386d2754eef93d9ec96641f332e9afdd3eebfe8a

Trim site name on Special:SetSiteLink

... plus a bit of code clean-up.

Change-Id: Ia1d5b4a63bba83b39a085725e8c4cbcdd4cc3d85