Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  c005f6eeeed514313c4a6ece9d0fa691eb6d25ff

Cleanup .loading (spinner) CSS

Also, make the talk button show the spinner when talk overlay is being
loaded.

Change-Id: I1a74774841045f820c4e8db338a819e5d08e24e6