Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  827f0e91a487dbb42154bf5332d96c82b7f9a1f6

Use dummy user to make taking-over revision

Instead of using the user viewing the page, use a dummy username to add
the revision made when a page is taken over by flow.

Bug: 64344
Change-Id: I923623881431011aff6d3a3f01c2da56017e79de