changelog 1.2.1

interior cabins:
changed some textures and all materials
added 7 interior styles
baked dashboard illumination
added real light for dashboard blinkers
can set the interior lights to turn on with the parking lamps
added slots for accessorys
added a little reflection for glasses

truck body:
rebuild headlights
added 3 headlights
added 3 front grills
changed some textures and materials
edited 860 roof cabin
added light for side lamp, blinker and DRL lamps
real lights for licence plate
resolved some material fault (front and filter grills)
resolved some model fault (sideskirts)
added baked vertex colors to models of fuel tanks

definitions:
seted Eaton & Allison gearboxes for Cummins engines
seted i-shift gearboxes for volvo engines