Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  f3aa628e7d75bb86890c27aac18d2df21246af3b

Provide sledgehammer to disable regular expression searches

Sometimes they cause downtime and you want them gone for a bit.

Change-Id: Iee25718c2f3480f307726941af9e9f041a3fb53d