Applies new layout to Terms page and fix sidebar layout

Closes #829

Screenshot:
![captura de tela 2014-10-21 as 00 49 50](https://cloud.githubusercontent.com/assets/566971/4712366/f131b422-58cc-11e4-82ec-0cb3dd31ea83.png)

There's also some fix in sidebar when attached to screen, nos it stays closer to the top of the screen, like so:
![captura de tela 2014-10-21 as 00 48 38](https://cloud.githubusercontent.com/assets/566971/4712355/c7a03bb0-58cc-11e4-97e0-ab7575df8f17.png)