[ATS] VOLVO NH12 2004 (2IN1) 1.31.X

Updates for ATS 1.31.x in comparison with ETS2:

- Dump truck and regular truck separated in two different models.

- Fixed truck part glitches like BDF dumper mudguard for regular chassis.

- Fixed cabin/interior appearance - now both truck versions can wear only right cabin/inerior set.

- Updated licence plate from Iranian to Brazilian for Brazilian market(tested on default and Mario maps).

- Each model have his own spot at Volvo dealer(Volvo dealer you can find at Tucson, Las Vegas for default maps).

- Added more engines and more transmissions.

NOTE: Read mod description in mod manager for detailed information.