Add test rootCA to vbox
make fleetctl jobs concurrent
remove not needed units
add .DS_Store in .gitignore
add pull docker in own units
add utility  bin/cluster-do; bin/htpasswd
add nginx unit registry-proxy to enable basic auth
update README.md about what's working and what's not
add bin/dksearch for searching with Registry API
merged with master branch
Merge branch 'master' of github.com:xuwang/coreos-docker-registry