Improve instructions
Reformat default instructions
Accommodate changes in go-etcd
Merge remote-tracking branch 'derekchiang/0.2'
bump(github.com/coreos/go-etcd/etcd):
bump(github.com/coreos/etcd/error):
bump(github.com/coreos/etcd/store):
bump(github.com/coreos/go-systemd/journal):