etcdserver: better logging for assign ids from upstream
Merge pull request #1546 from unihorn/198

etcdserver: better logging for assign ids from upstream
wal: update the docs to show the optional metadata field
Merge pull request #1552 from philips/fixup-wal-doc

wal: update the docs to show the optional metadata field
etcdserver: better logging when member is removed
Merge pull request #1554 from xiangli-cmu/removed_logging

etcdserver: better logging when member is removed
godep: bump github.com/codegangsta/cli
etcdctl: break out getPeersFlagValue
etcdctl: break out mustNewMembersAPI
client: explicitly carry API prefix around
client: move timeout into caller of httpClient
client: introduce httpActionDo interface
client: introduce httpClusterClient
client: accept slice of endpoints
etcdctl: wire up --peers for member commands
client: use v2MembersURL helper