Imports
- github.com/coreos/etcd/Godeps/_workspace/src/github.com/matttproud/golang_protobuf_extensions/pbutil
- github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/model
- github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_model/go
- github.com/coreos/etcd/Godeps/_workspace/src/github.com/golang/protobuf/proto