Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  8daa8443701edab38f7d92e4d5f64b7ecd198dac

Watchstar refactor - now with tests!

* Use embed to ensure loading icon shows without delay
* Add tests
* Avoid flickers bug 64083
* Remove EventLogging to MobileBetaWatchlist (unused data)

Change-Id: I72d4291eb81dfefc00d24223e55b5c74b3854442