Pull up following revision(s) (requested by martin in ticket #500):
distrib/evbppc/ramdisk/Makefile: revision 1.16
distrib/emips/ramdisk/Makefile: revision 1.2
distrib/sandpoint/ramdisk/Makefile: revision 1.10
distrib/evbmips/instkernel/ramdisk/Makefile: revision 1.12
distrib/i386/ramdisks/ramdisk-rescuetiny/Makefile: revision 1.2
distrib/ibmnws/netboot/ramdisk/Makefile: revision 1.11
distrib/pmax/ramdisk/Makefile: revision 1.46
distrib/i386/ramdisks/ramdisk-tiny/Makefile: revision 1.2
just make the installation ptys (ipty); change it to opty if more needed.
Change all install media to use ipty instead of pty0