Crane URLs for docker

# to get all the manifests for a docker repo
curl -L -k -X GET <pulp-host-name>:5000/v2/mydocker2/manifests/latest |less

# to download each of the manifests
# run it for each of the blobs returned by the first url
curl -L -X GET <pulp-host-name>:5000/v2/mydocker2/blobs/sha256:<shasum> >> docker.image