Speed up username display

Display username as soon as possible, as the first item in the header.

Not sure that's the right way to do it at all, though.

![screen shot 2014-07-28 at 13 27 51](https://cloud.githubusercontent.com/assets/85783/3724274/753db9e8-167c-11e4-9b21-622b3d73274f.PNG)
![screen shot 2014-07-28 at 13 25 22](https://cloud.githubusercontent.com/assets/85783/3724276/7b4ca6f0-167c-11e4-928b-f48bc2de5db7.PNG)

![ ](http://gifs.joelglovier.com/lolwat/wtf.gif)