4.20.9
- fixed road tool curves
- added alternative Lift Point config format
- changed 'fvtm:container' part function's 'rot_point' setting key to 'point'
- corrected 'fvtm:tire' part function's 'brake_grip' setting key (was 'break_grip')
- fixed vehicle fuel, attribute and inventories UI not opening (due to previous FCL UI backend change)