fixed bug when camera is too slow for first iteration
added waiting for camera in debug version (cam_process)
added check for invalid polygons (no intersection allowed)
fixed waiting for cam.
added angle calculation for polygon vectors
optimized polygon generation including minimum angle size
added surfs.
added harris corner detection
added serialization of shapes for better performance. important for #15
fixed imports.
optimized polygon drawing, using opencv function.
decreased sleep time while waiting for camera
optimized corner detection.