Only update DATE if a newer stage3 release is found.
Only update DATE if a newer stage3 release is found.

edannenberg/gentoo-bb,edannenberg/kubler,berney/gentoo-bb,edannenberg/gentoo-bb,gdm/gentoo-bb,jonasjonas/gentoo-bb,gdm/gentoo-bb,guruvan/gentoo-bb,guruvan/gentoo-bb,berney/gentoo-bb,jonasjonas/gentoo-bb