Add queue Up/Down/Pause/Resume buttons

![screen shot 2014-07-16 at 1 29 29 pm](https://cloud.githubusercontent.com/assets/39406/3605124/f5784046-0d27-11e4-8151-f4b5ea7da65b.png)
![screen shot 2014-07-16 at 1 29 42 pm](https://cloud.githubusercontent.com/assets/39406/3605123/f577e1f0-0d27-11e4-92cd-e84cb525e19c.png)