Updated mediawiki/extensions
Project: mediawiki/extensions/AbuseFilter  a885db279dcaca76659d73598eb421a990461ab6
null
Let AbuseFilter work with 1.19

This patch allows the current AbuseFilter to work with 1.19, by only
using MWTimestamp if MediaWiki is version 1.20 or later.

Api still needs fixing, but this will get filters running.

Change-Id: I7c9eaf777d529ce15dfd85761784f9ad1443f2bf