Fedora 19 and 20 were released in 2013. If these docs haven't been
adjusted for modern Fedora, they're probably out-of-date.
Differential Revision: https://phabricator.services.mozilla.com/D104733
Also delete a bunch of dead code that was apparently meant to be useful for subclassing, but there's no subclasses of `DebianBootstrapper` in tree.
Differential Revision: https://phabricator.services.mozilla.com/D82073
On a new machine the instructions didn't fully work for me. I suspect that `libpulse-dev:i686` -> `i386` might have been a typo, and I also needed `libx11-xcb-dev:i386`.
Differential Revision: https://phabricator.services.mozilla.com/D81560
Mitchell Hentges
Ricky Stewart
Sylvestre Ledru
David Major
Paul Adenot