[Fix bug 959087] Add configuration to enable stackato deployment.

* Add stackato.yml
* Add example local.py settings for stackato
* Enable rabbitmq/memcached services
* Add stackato requirements file
* Setup uwsgi process to serve static files
* Setup HTTPS proxy
[bug 959087] Update stackato conf.
Merge pull request #683 from glogiotatidis/mystackato

Stackato