Add column NumFacture 

Add column num facture and sorting ...

![uigj](https://cloud.githubusercontent.com/assets/3273204/3810100/a5cefcce-1c8b-11e4-8201-383f4b1f9b1a.jpg)
![3t7h](https://cloud.githubusercontent.com/assets/3273204/3810101/a5e5fc26-1c8b-11e4-98d7-d612e147118b.jpg)