plexconnect app using addsite.mc and bag.plist with modified webserver.py

This will simplify addsite functionality for the atv2 for plexconnect based on @dschuetz method outlined here:

https://intrepidusgroup.com/insight/2013/09/rpi-atv/

https://forums.plexapp.com/index.php/topic/81972-installing-a-new-app-on-appletv-without-hijacking-trailers/