emberjs/data — pull request #1325 by Cyril-sf (2013-09-18 06:25:18+00:00)
Title: Polymorphic belongsTo attributes are camelized by the REST adapter.

This model:

```js
App.Comment = DS.Model.extend({
blogMessage: DS.belongsTo('message' {
polymorphic: true
})
});
```

generates a JSON object like:

```js
{
"blogMessage": 12,
"blogMessageType": "post"
}
```