Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  1a4110629cfa0e9ce5e18b6fec4ff3d8f28a8d02

QA: update Ruby gems

In particular for the latest selenium-webdriver that fixes several
issues running locally with Firefox

Change-Id: If4864235dc1557ac9e0813e68bc6dadb68d7de1c