Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  22c8343f95171950c4e3e5212b148a2cd50b8c56

QA: Allow browser tests in alpha mode

Introduce "I am in alpha mode" definition
Rename beta_page to more generic mobile options

Change-Id: I64070ecb121fd8c021ea139dd010b7dae06139cf