Update host integration article

Update for changes in docker 1.2. Running the docker daemon with "-r=false" has been deprecated in favor of per-container restart policies.
by which @jamtur01 means

```
> *Note:* The `--restart` flag was added in Docker 1.2 - if you are using an older
> version of Docker, refer to the
> [previous version](/v1.1/articles/host_integration/)
> of this article for for how to avoid automatic restarts.
```