joola/joola.io — pull request #421 by itayw (2014-04-28 08:57:33+00:00)
Title: #401 allow override by environment variables

Resolves #401

Environment variables can now override default.yml settings.
```bash
export JOOLA_CONFIG_INTERFACES_WEBSERVER_PORT=8585
export JOOLA_CONFIG_STORE_REDIS_HOST=lab01.joola.io
```