Minor improvements

The `fork banner` content is visible on small screens:

![2013-03-01 09 11 06](https://f.cloud.github.com/assets/1223565/209234/6eb12174-8261-11e2-9e67-bdad910d0204.png)

![Screen Shot 2013-03-01 at 1 15 13 PM](https://f.cloud.github.com/assets/1223565/209235/701eb706-8261-11e2-9c4d-c44d0555c212.png)

so, until #22 and #45 are resolved, I think it's better to just comment out the code.