Updated mediawiki/extensions
Project: mediawiki/extensions/Scribunto  3055ac6aa3c618001f7c06424336bbac57f7a043
null
Clean up title handling for defaultUrl

getParser() sometimes returns null (eg: on saving edits), so use
the engine's title instead.

Change-Id: I62259b76d6960a934b5e208fdaacbbfc7c2d057c