Fat City received a phone call yesterday morning from the concerned father of a young woman who had been employed at the original KC Masterpiece Restaurant & Grill at 109th and Metcalf. The woman, a recent college graduate, had apparently shown up for her shift at the 22-year-old restaurant -- once the flagship for a collection of four "upscale" barbecue eateries created by Dr. Rich Davis, founder of the barbecue sauce of the same name -- and found the door locked and this sign, righ