Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Repo copy these files to the bmake area, these are not part of the
cvs vendor release and should not have been 'cvs add'ed there in
the first place.

Support the environtmental var "CVS_OPTIONS". Which can hold a set of
default options for cvs. These options are interpreted first and can be
overwritten by explicit command line parameters.

Obtained from: GNU Grep 2.3