change: A fully qualified image name must include a tag. Recommitting changes for PR: https://github.com/dotcloud/docker/pull/5145 since SvenDowideit suggested I would need to sign my commit for it to be accepted. Docker-DCO-1.1-Signed-off-by: Justin Simonelis <justin.p.simonelis@gmail.com> (github: jsimonelis) Upstream-commit: 69fbf8e31f0b74c61c7e7fe1bd34bbb1aaf813b6 Component: engine