Avoid use of 'service --status-all' which is currently broken on trusty for upstart managed daemons; the change moves to detecting how the daemon is managed, and then using upstart status XXX or the return code of service XXX status to determine whether a process is running.
Fixes for IPv6 network address detection under Ubuntu 16.04 which changes the output format of the ip commands slightly.
Update the version map to include 8.1.x as a Neutron version for Mitaka.