Update centos-atomic-cloud-docker-host.json
Update centos-atomic-base.json
add repo files
add/fix repos and json
removing epel from json, if we need it, be sure to disable gpg checking or add epel-release to the pkgs
change gpg key locations to URLs so rpm-ostree can find them
add repo for virt7 pkgs, such as docker
add virt7 repo in json
Merge pull request #2 from jasonbrooks/master

fix json syntax, add repo files