The parent company of Thirsty Lion and Central Kitchen has traded the Pacific Northwest for the Southwest, relocating its corporate headquarters from Portland to Scottsdale, Arizona. In a news release Thursday, Concept Entertainment Group Hospitality cited proximity to its growth markets and the Phoenix area's record as an "incubator" of other growing restaurant concepts. "Concept Entertainment will also be in good company since Scottsdale and the Phoenix Metro Area have long been a creative culinary…