bump(github.com/coreos/go-etcd/etcd):
bump(github.com/coreos/etcd/error):
bump(github.com/coreos/etcd/store):
bump(github.com/coreos/go-log/log):
feat(etcdctl): obey the -C flag

take a comma seperated list of nodes in the -C flag and use them in the
etcd client.
Merge pull request #13 from philips/cluster-flag

etcdctl: add support for the -C flag