Football all remove footballnav

1. removed FootballNav from football/all page
2. moved section node inside FootbalNav view
3. added simple integration test for football/all

Before:
![screen shot 2014-09-18 at 16 50 33](https://cloud.githubusercontent.com/assets/2579465/4322861/0fd8e62e-3f4c-11e4-9c83-9e55d47b7806.png)

After:
![screen shot 2014-09-18 at 16 51 02](https://cloud.githubusercontent.com/assets/2579465/4322865/16f155cc-3f4c-11e4-8a46-0de483581c00.png)

This can be tested with resorting to an integration test.

If you want you can add to these https://github.com/guardian/frontend/blob/master/applications/test/AllIndexTemplateTest.scala