Ready: Strong consistency update

- [x] Configs in `advanced.config`
- [x] `riak-admin` interface for ensemble
- [x] Implementation details

Heads up to @andrewjstone, @engelsanchez, and @jtuple when he's back.
I'm actually not sure what this output means. The peers aren't named that way. @jtuple Can you shed some light on the naming convention used here?