Updated mediawiki/extensions
Project: mediawiki/extensions/CirrusSearch  2536946585b3ee1ae1b7b0c1c7eca0ecbd48911c

Moved Ruby code that multiple repositories use to mediawiki_selenium Ruby gem

Bug: 56088
Change-Id: I5b3700173a5d2eda415a2187ee81f1f3cbe5aa3a