Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  57d0d3383a7cf0e4a6c869cf1f4ffb73c95217ec

Hygiene: Goodbye jscs/jsduck errors

The sooner we get Jenkins doing this the better :)

Change-Id: I00240d7fa8a87fa4a17f94b69384a18dbb71f771