Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  f19c50179116dcd3c7c2d11f87f52f84c1175f4d

Adding new lastmodified param to MobileView API

Looks like we're going to need this judging by page.js and page.html
Also improving some of the API code documentation

Change-Id: I1f070c50710a76a476b7999edacb6cf6965fdce6