The three partners who comprise Mayflower Investment Group have reached a deal to take ownership of seven floors at downtown Wichita’s Sutton Place, which they plan to rename as Mayflower Plaza. The Wichita Eagle reports the mostly-vacant building had been owned and operated mostly by Real Development, a financially challenged firm that includes developers from Minnesota. The firm had sold off several floors to small California investors. Mayflower Investment says it plans to redevelop the…