[WIP] PSM Step 1

This is totally WIP.
There's an interesting side effect when I do that - I am not yet sure what is causing this behaviour. When the div is first rendered when expanding the sidebar it will show the result below:

![ember-psm](https://cloud.githubusercontent.com/assets/176576/4157589/5bb32216-3480-11e4-9c05-1248fde9c88a.gif)