main: undeprecate peers-file for now
Merge pull request #1190 from jonboulle/undeprecate_peers_file

main: undeprecate peers-file for now
etcdserver: return client urls for /v2/machines
etcdserver: move cluster test from etcdhttp to etcdserver
etcdserver: Cluster.Endpoints() -> Cluster.PeerURLs()
pkg/types/flags: introduce flags package

I want to use the Addrs type in another experimental proxy that I am
implementing. Pull it out into a separate package.
Merge pull request #1194 from unihorn/141

etcdserver: return client urls for /v2/machines
Merge pull request #1196 from philips/add-flagtypes-package

flagtypes: introduce flagtypes package
raft: add msg denied field
raft: remove index field in msg voteResp
raft: remove index field in msg AppResp
raft: fix error msg
Merge pull request #1197 from coreos/raft_t

Add raft msg denied
etcdserver: add publish func
Merge pull request #1192 from unihorn/140

etcdserver: add publish func
main: hook up with discovery
discovery: add a comment for setPrefix