Volkswagen is an automaker in transition, and the 2017 Volkswagen Golf Alltrack is a harbinger of things to come. With Americans tilting inexorably towards crossovers and SUVs as their conveyance of choice, and faced with a line-up heavily weighted with turbodiesel sedans and hatchbacks that the EPA has placed on indefinite hiatus, VW’s market makeover is only just beginning. The …