Issue 24 launch new challenge mandatory symbol

Fix https://github.com/cloudspokes/direct-app/issues/24

![image](https://cloud.githubusercontent.com/assets/2527455/5139739/bd2847dc-7194-11e4-9399-345179f58a15.png)


![image](https://cloud.githubusercontent.com/assets/2527455/5139780/390c410a-7195-11e4-9fc7-5caad26067bd.png)