EZP-22253 relation list field in the raw content view

## Task
Goal here is to display the object relation list field in the raw content view of the platformUI.

## Screenshots

![image](https://cloud.githubusercontent.com/assets/5558766/4880603/7c160e10-633d-11e4-8766-0ed00ca00344.png)


![image](https://cloud.githubusercontent.com/assets/5558766/4880617/b33812e4-633d-11e4-9ee0-77f43ff95b0d.png)


## Links

Jira ticket : https://jira.ez.no/browse/EZP-22253


this might not be as robust as it should be, something like:
```js
var dest = this.get('field').fieldValue.destinationContentIds;

return (!dest || dest.length === 0);
```
would be a bit better