Deployment buildouts

The idea is to add some base buildouts for deployments with all the usual components configured, such as

- ZEO
- supervisor (httpok, memmon)
- deployment recipe (log rotate)
- port ranges for all the services
- configurable amount of ZEO-clients

See the [Readme](https://github.com/4teamwork/ftw-buildouts/blob/jone-production/README.rst#production) for details.