[+] BO : Added hooks to extend / override Order and Shipping panels on ...

...order view
![displayadminorderhoooks](https://cloud.githubusercontent.com/assets/4573767/3085598/e7afa8e0-e514-11e3-83fb-76357db97682.png)

Here is the module I made for testing this.
https://github.com/PhpMadman/TestModule/tree/DisplayAdminOrderHooks

This is the first time I make hooks, but I think I got everything needed for install / upgrade