Major change: fix units of Healpix images, now in Jy/healpix pixel, not Jy/image pixel
Major change: fix units of Healpix images, now in Jy/healpix pixel, not Jy/image pixel

EoRImaging/FHD,miguelfmorales/FHD,wenyang-li/FHD,miguelfmorales/FHD,wenyang-li/FHD,EoRImaging/FHD,wenyang-li/FHD