Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  6c8582951cb2c332d6f5aced4c27a7a2ceed9597

Prevent rendering topics like posts

Topic titles should never be rendered like a post, it will just
cause issues.  Blow up instead.

Change-Id: I77ae191d890ae40c0d65682d255e126d69cbc7e6