COLLEGE PARK — Shyanne Sellers scored 22 points and Allie Kubek added 17 to help No. 8 Maryland women’s basketball stay unbeaten with a 78-61 victory over Rutgers on Thursday night.Kaylene Smikle scored 13 points for the Terps (13-0, 3-0 Big Ten), who led by 18 at halftime and weren’t threatened after that. It’s the…