updated init file to include two cluster functions
updated init file to include two cluster functions

AntonSax/plantcv,jshoyer/plantcv,stiphyMT/plantcv,danforthcenter/plantcv,danforthcenter/plantcv,jshoyer/plantcv,AntonSax/plantcv,danforthcenter/plantcv,stiphyMT/plantcv,stiphyMT/plantcv