fixed bug in check_submission.py, added improved printout discerning whether constant submission is one of (constant, multiepoch, real_galaxy) or (variable_psf, full)
fixed bug in check_submission.py, added improved printout discerning whether constant submission is one of (constant, multiepoch, real_galaxy) or (variable_psf, full)

lsst-dm/great3-public,barnabytprowe/great3-public