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
Merge pull request #1541 from bcwaldon/client-peers

Use `-peers` in `etcdctl members` commands
etcdserver: fix logging of IDs
Merge pull request #1557 from bcwaldon/id-logging

etcdserver: fix logging of IDs
Documentation: fixup the admin_guide

- Provide more concrete examples and explanation
- Cleanup the formatting to one sentence per line, this makes reviewing
  easier
- Point to existing docs on wal and snap instead of trying to duplicate
  it here again.
Merge pull request #1556 from philips/fixup-the-admin-guide

Documentation: fixup the admin_guide
integration: clean up licenses and docs