stefanpenner/ember-cli — pull request #2164 by rwjblue (2014-10-02 01:57:20+00:00)
Title: Enable easier customization of production environments.

The following is all that is needed to enable building `staging` as another `production` type environment:

```javascript
var app = new EmberApp({
productionEnvironments: [ 'production', 'staging' ]
});
```