Use Special:MobileLanguages in beta/alpha
Don't load langlinks when initially loading the
page; instead, wait until button is pressed.
the api and then show a LanguageOverlay; if not, just
link to Special:MobileLanguages.
Also remove now-unneeded parseList() function and associated
This is all done in beta (when it goes stable, there are
redundant functions that should be removed and have been
marked as such).