Add script to generate a release tarball and sums
Add script to generate a release tarball and sums

The script make_release.sh has been added which generates
distribution tarballs and signatures.

Signed-off-by: Paul E. Murphy <bcb79dc2d3103f301c432ff2685f8b89fad82826@linux.vnet.ibm.com>

Libvecpf/libvecpf,Libvecpf/libvecpf