add docker repo, packages and docker images
docker images need to be loaded into barclamp so they can be served up to docker nodes
add some docker globals for glance
added docker container type to glance-api.conf
load docker images into glance
small docker registry setup bugs
get whole precise stackbrew repo, not just the one file.
acutally download the zip
grab the whole ubuntu repo.
get the zip file of the whole thing