fix: redraw line chart on click on marker.

#92

![screen shot 2014-11-25 at 12 14 17 pm](https://cloud.githubusercontent.com/assets/2622152/5181209/016c7444-749d-11e4-9570-5453c3cd4c36.png)
![screen shot 2014-11-25 at 12 14 11 pm](https://cloud.githubusercontent.com/assets/2622152/5181208/015b8814-749d-11e4-891a-315c69c9472d.png)