Fronts consistency (content pages, heading colour)

- Container border go from edge to edge in content pages
- Removes tonal treatment on container titles

![screen shot 2014-08-05 at 17 44 15](https://cloud.githubusercontent.com/assets/85783/3814969/157aba5c-1cc0-11e4-97ab-d8c0a93cd45b.PNG)

![screen shot 2014-08-05 at 17 44 10](https://cloud.githubusercontent.com/assets/85783/3814971/187ba5fe-1cc0-11e4-864f-6093ce23733d.PNG)

![screen shot 2014-08-05 at 17 44 04](https://cloud.githubusercontent.com/assets/85783/3814974/1bcda7f2-1cc0-11e4-9960-d61261ae7638.PNG)

![ ](http://gifs.joelglovier.com/downton-abbey/carson-hughes-hands.gif)
I know this wasn't in your PR, but it iriks me that the `</a>` is not correctly indented on the line below.