Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  3577700cd8b797964146565cbc445f45e1625887

(bug 49742) introducing PropertyInfoTable.

This is the first over several changes that introduce a system for
fast access to property meta-info.

Change-Id: I197360a45f8ce1aefe29460c19142f2dfbee1525