Follow coreos/init PRs

- https://github.com/coreos/init/pull/94
- https://github.com/coreos/init/pull/95
Follow coreos/init PR

- use correct CoreOS colours
https://github.com/coreos/init/pull/102
Merge branch 'refs/heads/motd' into alpha
Bump version to v0.9.3 for CoreOS alpha 324.1.0