Changed overriden machines so that they do not attack cyborgs that aren't synced to the AI.
Overriden machines are their own subtype now.
Did not use the faction variable as that can be unreliable as neutral hostile mobs will attack any other mob without the neutral faction flag.
Merge branch 'master' of https://github.com/tgstation/-tg-station into alt_override_machine
Merge pull request #3032 from Giacom/alt_override_machine

Changed overriden machines so that they do not attack cyborgs that are synced to the AI