Adding the 'main loop' for the vision

this class takes frames as they come from the camera and 'attempts' to find a 3x3 window in each frame that 'mostly' contains pixels who are 'very close' (in RGB color space) to true Red(255,0,0) using a heuristic euclidean distance metric. However, code is not working yet and, moreover, it seems to be detecting stuff only when the ball is moving... to be continued