Celtic fans have known since Joe Hart signed for the club that he is a class act. The professionalism and leadership he has brought have helped deliver success to the club over the past two and a half seasons. The veteran keeper has the respect of his peers, coaching staff and the manager for the way he conducts himself on the pitch. But it was what Hart did off it that impressed Ross County’s keeper George Wickens. The youngster played a blinder at Celtic Park with a range of impressive saves and two consecutive penalty stops from Luis Palma. And here he reveals the touch of class from Hart a…