Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  b2a657d8718e4662325d3139d929f42ca3d3d081

Skip redirect tests as long as redirect arn't supported

As of 2014-06-30, redirects are still experimental.
So do a feature check before trying to test redirects.

Change-Id: Ie3598dec84d4ea1a58a73b2feb40c0dcd4a355ff