8ab0623a9c
FPS display, made it possible for frame participants to add to the performance status string. Also modified perf status to be double buffered. It's not repainting exactly properly at the moment; soon to be remedied. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2041 542714f4-19e9-0310-aa3c-eee0fc999fb1