Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  7296fc25ef52a4164258aca8754179b1b7a9157d

Import: Cleanup header by removing LQT magic word and adding template

In support of this, the script user Flow uses (for this and for
ensureFlowRevision) has been made to actually exist.

Change-Id: I45b140358c32196018159cfc0c6cf0d7f16e339a