Initial code

- Simplify class naming
- Convert from coffeescript to javascript
- Allow to pass hash instead of filepath to Config
- Register into npm registry
Maybe rearrange those lines so config is created first, then defaultClient - line break and define _clientMap and add entries? More like:
```js
var config = new Config(configFilePath);
this._clientDefault = new Client(config.url, config.authToken);
this._clientMap = {};
_.each(config.auxiliary, function(clientConfig, key) {
// ...
```