Hack: Prevent AbortMove hook from interfering with GlobalRename page moves

On the Wikimedia cluster, this is only the AbuseFilter and TitleBlacklist
extensions, which we can bypass by adding userrights.

This also allows us to track how many page moves are actually being
stopped by filters in an easy-to-monitor way.

Bug: 67875
Change-Id: Iff58cad70b8a23f79fb07078b06ac58f375dc1f0
Merge "Hack: Prevent AbortMove hook from interfering with GlobalRename page moves"