ATS special trailers in ETS2

tub_grinder, Knuckle_boom, frac_tank and mtb trailers converted to ets2. woodchipper, logloader, watertank and mobile barier. with european lights, license plates and cable connections. converted jobs to european companies. if you don't see the jobs, try sleeping !! update 1.02: new texture and shadow fix on watertank. update 1.1: added greece companies. lowered job spawning probability