Making afl a nrl uppercase in navigation.

Quick change in AU top navigation

Before:
![screen shot 2014-11-26 at 12 36 34](https://cloud.githubusercontent.com/assets/2579465/5201429/a98cece0-7569-11e4-9469-fdfaed2007ce.png)

After:
![screen shot 2014-11-26 at 12 36 23](https://cloud.githubusercontent.com/assets/2579465/5201432/affb0ca6-7569-11e4-83f3-773a96c309b3.png)