…d to being convex simple polygons. This allows us to parse bitmaps into a few complex polygons instead of a lot of small rectangles. It looks a lot better in the GUI, though there are some glitches to figure out with internal-vs-external contours indicated by winding direction. This is just cosmetic though, so it can go in master
… some key classes, eg. Stg::stg_pose_t is now Stg::Pose
…. awful. Added some cautious NAN checks to avoid similar horror in future.
…EPATH as well