update PS building in galaxies.py to use kmax_factor=12, including checks (commented out) for sensible gmag values and correct scaling (although scaling not crucial due to later ranking, want sensible sized nnumbers) (#16)
update PS building in galaxies.py to use kmax_factor=12, including checks (commented out) for sensible gmag values and correct scaling (although scaling not crucial due to later ranking, want sensible sized nnumbers)
(#16)

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