This should make it easier to switch out `init` for other versions,
although the `getty` config still needs to be removed.
- use `/bin/rc.init` for start
- use `rc.shutdown` for stop
- make `rc.init` run other code.
- merge `containers` and `containerd` startup code
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
