As per https://github.com/etcd-io/etcd/blob/fa57f7fbc787b4/Gopkg.lock
List of packages required by subset of etcd used is provided by:
go list -f '{{join .Deps "\n"}}' \
github.com/docker/docker/vendor/github.com/coreos/etcd/... \
| grep -F . | grep -v coreos/etcd | sort | uniq
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
