JVM config library
Havoc Pennington created this one wich is used for Akka and Play.
https://github.com/typesafehub/config
>Searches for config files using the following logic:
- system properties
- application.conf (all resources on classpath with this name)
- application.json (all resources on classpath with this name)
- application.properties (all resources on classpath with this name)
- reference.conf (all resources on classpath with this name)
You can config using a JSON-like syntax with substitution and all the sugar ...
