Coordinator

Support both zookeeper and etcd

Name		Name	Last commit message	Last commit date
Latest commit History 45 Commits
README.md		README.md
conn.go		conn.go
etcd.go		etcd.go
etcd_test.go		etcd_test.go
fakezk.go		fakezk.go
fakezk_test.go		fakezk_test.go
zk.go		zk.go
zk_test.go		zk_test.go

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