Update Wikidata, fix for jquery.wikibase.sitelinklistview.js and hhvm

See I3e11fbd for extension changes

Change-Id: I9679f8572865f42fd7ab786b76de6c48fa80b3c5
Merge "Update Wikidata, fix for jquery.wikibase.sitelinklistview.js and hhvm" into wmf/1.25wmf1