pg_password utility.  Cleanup for psql passwords.  New datetime contrib stuff for new version.  Fix for strutils needing config.h.

manual intervention required :)

Subject: [PATCHES] Documentation update

This patch updates some of the documentation that comes with the
distribution.  The following files are updated:
        COPYRIGHT
        README
        doc/README.flex
        doc/README.support
        doc/bug.template

Pointed out by Andrew Martin