[WIP] Improved order details page (backend)

Please give me some quick feedback :)

Beside the obvious visual changes, I also added a payment table at the bottom. This could be useful right?

#### Old 

![old](https://f.cloud.github.com/assets/193112/1682467/e5823da4-5daa-11e3-8491-fb84be54d3dd.png)

#### New

![new](https://f.cloud.github.com/assets/193112/1682468/f04d1d80-5daa-11e3-9354-db71695b8723.png)