(Only the first 10 of 65 ports in this commit are shown above. )
Rename nethack ports and put version numbers in the port names.
nethack -> nethack32
nethack-gtk -> nethack32-gtk
nethack3 -> nethack33
nethack3-gnome -> nethack33-gnome
nethack3-tty -> nethack33-nox11
nethack-qt -> nethack33-qt