The NFL Draft festivities continue until Saturday. The NFL has a full lineup of events at “Draft Town” in Grant Park, and there’s something for everyone young and old, especially children. No tickets are required.As a tribute to Walter Payton, the festivities include an interactive skydiving “Sweetness Simulator.” Get your chance to soar just like Payton did over the goal line.For your palate’s pleasure some of your favorite Chicago-based food vendors will be featured in chef Graham …