Beta Gavril D-Series addon by AR162b 0.8.4

• added the cabprotector for the rollback
• added colored and black rear bumpers for the tractor upfit, moved the license plate a bit, added semi materials
• added colored and black 'HD' grills and grillbars
• added (modified) Barstow mirrors ('small Oldstyle mirrors')
• added (modified) Barstow hood lettering
• added Oldstyle taillight covers (chrome and black)
• added station rear door lettering
• added (modified) Grand Marshal taxi ad carrier
• added (modified) Grand Marshal taxi skin
• added station trims (regular, chrome, black)
• removed the hardcoded dash in the wagon jbeam, added the regular and oldstyle dash as separate part. I am aware the automatic shifter number cover is still present.
• improved the station flexbody a bit, fixed the rear doorhandle groups, improved the roofrails
• improved the prerunner front and rear suspension a bit, rear bumper, rollcage, kickers
• improved the flareside taillight texture (one of the last not-updated parts from 2014...)