Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  685947fbd364162ef093c7a01ec043b27d1830cc
null
Do not set MEDIAWIKI_URL env variable automatically

This got commited by mistake, reverting.

Change-Id: I3c5d830d4ba2fc872714f16e8dc6118d6ce80b0a