Updated mediawiki/extensions
Project: mediawiki/extensions/ZeroRatedMobileAccess  4106fadb538423a88b80e4272e4434628541c132

Continuation of PhantomJS automation tests for Wikipedia Zero.

* PhantomJS tests with accompanying shell scripts.
* Update to carrier config page to add <img> for retreived banners in separate patch.

Change-Id: Ifb4fc16bdd80bfbd2b843ce2b7309ecc4faa2a50