Update root disk fetching to look for btrfs / filesystem.
don't umount btrfs filesystems -- / is also btrfs now.
update network config low level code for fedora
Add alias to network interface model.
update network interface API for alias
Remove email as part of appliance setup as it proved to be very unreliable.
update ip addr gathering low level code for the new output format
properly save appliance model on put in the network view
remove extraneous package reqs.
cleanup prod buildout for fedora
Add nginx to prod supervisor template
remove socketio import in urls, which we don't need anymore.
nginx conf for prod
update supervisord conf for prod for nginx
remove deprecated nginx websocket params from settings
use nginx-prod conf template
remove deprecated socketio_service view
remove socketio include from the urls
remove deprecated websocket_client code and clean up the home view.
write a custom middleware for logging exceptions for prod deploy instead of
emailing ADMINS.