made SAT aware of whenever it has groundcontact or not to prevent it fighting with the steering
wheels get only listed OnStart so there might happen weird stuff if wheels get lost or added
improved stabilization and made it possible to drive in reverse now
when stability control is active it will also try to use the brake for slowing down
Merge pull request #307 from BloodyRain2k/RoverToTGT

More patch to rover AP