[Banner] Simplify header section

This is about always having the usage section:

### Before

![screen shot 2014-05-10 at 08 23 25](https://cloud.githubusercontent.com/assets/1048705/2935408/b071aa1a-d80b-11e3-9e8c-e08c64d7e5c9.png)


### After

![screen shot 2014-05-10 at 08 23 35](https://cloud.githubusercontent.com/assets/1048705/2935409/b666ec14-d80b-11e3-8e3e-fec21f23c6be.png)