Add a unified menu to all admin pages 

![[https://f.cloud.github.com/assets/986878/94120/26fae720-6641-11e2-9bf7-58ebe17bb334.png](https://f.cloud.github.com/assets/986878/94120/26fae720-6641-11e2-9bf7-58ebe17bb334.png)](https://f.cloud.github.com/assets/986878/94120/26fae720-6641-11e2-9bf7-58ebe17bb334.png)