optical flow, floodFillMask
fixed point inside polygon
uint8 in hueDistance

Signed-off-by: jayrambhia <jayrambhia777@gmail.com>
Merge pull request #20 from vighneshbirodkar/mot

findMotion and floodFillMask done
Merge pull request #21 from jayrambhia/examples/detection/pills

Example pills.py is now working