Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  554ea5dd473c1c44ee355a4f75b12c403835a58d

Add URL parameter to turn on new highlighter

This will make it easy to test the highlighter without enabling it for
everyone.

Change-Id: If0df224b21fe589cc7dcdc7e3548d1b1693abb44