Ad space before the footer

When removing the bottom ad slot, all space was removed between containers and the footer.

## Before

![screen shot 2014-03-25 at 15 07 12](https://f.cloud.github.com/assets/85783/2513355/5769e4dc-b42f-11e3-9c56-18fb9aafc845.PNG)


## After

![screen shot 2014-03-25 at 15 07 06](https://f.cloud.github.com/assets/85783/2513356/59fd7e48-b42f-11e3-85e0-a55743a0ff85.PNG)

![ ](http://media.giphy.com/media/8G33Vvy3x8PQI/giphy.gif)