Adding new burger icon to all section in footer

Burger icon in the footer 'all sections' button is on the old version. This will fix it.

Now:
![screen shot 2014-11-19 at 11 31 19](https://cloud.githubusercontent.com/assets/2579465/5105032/225186d4-6fe0-11e4-922e-d1fdff5ad595.png)

After:
![screen shot 2014-11-19 at 11 32 15](https://cloud.githubusercontent.com/assets/2579465/5105033/22520f96-6fe0-11e4-8610-4795b70eb989.png)