Pull up following revision(s) (requested by he in ticket #109):
etc/root/dot.cshrc: revision 1.23
etc/root/dot.cshrc: revision 1.24
etc/root/dot.profile: revision 1.26
Can't use Bourne shell syntax here... (Even in comments, for PKG_PATH.)
Point first to 6.0 packages, then to packages for 5.1 or 5.0.
The latter have reduced usefullness in -current or netbsd-6 until
we have a compat50 package.