FIRST IT WAS WEDDING AND BABY REGISTRIES, NOW IT’S student gift registries. “As students head back to school and recent graduates start their first jobs, many are using gift registries — long an important feature of weddings and baby showers — to help them nab some of the items they want to set up their dorm rooms and furnish new apartments. The Container Store, Bed Bath & Beyond and online retailers with names such as DormSmart.com and DormCo.com are encouraging college students to register and clue in relatives who need help with gift ideas.”