Addind new test picks container

Adding a new Editor's Picks Container.

It's not 100% (especially on mobile), but we're giving it to editors to see what they like / don't like and then we'll iterate on that then release to the public.

## Behold!

#### Desktop
![desktop](https://cloud.githubusercontent.com/assets/31692/3840811/36265798-1e23-11e4-899d-893ec2cbc211.png)

#### Tablet
![tablet](https://cloud.githubusercontent.com/assets/31692/3840812/36266f6c-1e23-11e4-8dc7-0d491f2e464f.png)

#### Mobile
![mobile](https://cloud.githubusercontent.com/assets/31692/3840810/36255f46-1e23-11e4-90af-c146a604a5ff.png)

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![Picks](http://i.imgur.com/phHrTgy.gif)
This should be part of the RenderClasses map. Sorry if it's not in other containers and you just copy-pasted something wrong in the first place.