[ATS] Realistic Used Trucks Dealer - 1.49

Changes 1.1 Updated/reverted truck_price_minimum_accessory_price_coef Updated/reverted truck_price_range_coef   Features: Increases the mileage to typical market offerings. Changes the minimum mileage to 10,000 Miles and the maximum to 1,500,000 Miles, other real world improvements. Changes the ratios slightly to indicate an In Real Life truck purchasing experience. Reduces the unfixible wear/limit down to 1/10 of original settings.     Credits SomeNordGuy