find_color_card_v1
find_color_card_v1

New function to find a color card and return it's starting coordinated and spacing of chips, to be fed into create_color_card_mask and make masking images faster.

danforthcenter/plantcv,stiphyMT/plantcv,stiphyMT/plantcv,stiphyMT/plantcv,danforthcenter/plantcv,danforthcenter/plantcv