Rename sztd to zst and amend the changelog. The zstd binary generates a
compressed file with the .zst extension by default.
Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
This change makes the Jenkins job output openstack images using gzip
compression format. This allows OpenStack users to directly consume images
by simply specifying the URL to the image. Glance will then download the
image, unarchive it and add it to it's catalogue.
Fixes#575
Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
