AI Traffic Cars from ATS v1.3 1.32.x

Standalone AI Traffic Cars from ATS.

Changes v1.3:
- Added Subaru Impreza WRX STI from ATS v1.32.
- Updated Jeep Grand Cherokee model from ATS v1.29 ("Jeap" badging).
- Changed wheels of the Tesla Model S.

Included:
Cadillac ATS
Chevrolet Camaro SS
Ford Mustang GT
Jeep Grand Cherokee
Jeep Wrangler
Subaru Impreza WRX STI
Tesla Model S
Toyota Prius