pst-vehicle.tex ----------------

1.2 2017/09/16
- node that can be called by name GravC, by default near
  center of gravity that can become other coordinates
1.1b 2017/06/23
- file ListVehicle to the right folder
1.1a 2017/06/15
- add missing ListVehicle.tex
1.1 2017/06/05
- fix for constant functions
- add option startPos to have a defined startrotation for the rear-wheel
- synchron start-rotation-position for front- and rear-wheel
