blog post on using heat to install deis on rackspace cloud.

I'm not completely sure I'm doing this right,  but the contributions instructions seem to be somewhat out of date and the build/testing scripts bombed big time for me.

Bio:

```
Paul Czarkowski is a Systems Engineer working at Rackspace 
on the Solum Project.
```

twitter: @pczarkowski
irc: paulczar

feel free to edit/cleanup/etc.
Pick one of your CoreOS hosts, and ssh to it via the Public IP. Then set up some environment variables so that you can talk to `fleet` and `etcd` using the private IP and check on the installation of DEIS itself.  The following commands demonstrate this: