rename portlint to pkglint, and keep the sources right under files.
This makes it much easier to maintain and keep up with changes to out
package system.
(even imake ones) that will install in /usr/pkg instead of /usr/X11R6.
This is NOT (yet?) the standard X11 pkg build procedure, but it does
provide a "way out" for users that do not want to pollute their /usr/X11R6
tree with pkgs.