Updated display pcb

Hi,

I updated the board as discussed on http://redmine.laoslaser.org/boards/2/topics/317
The board is ready for production, gerberfiles are up to date. If there are any questions, please let me know

![panel_picture2](https://f.cloud.github.com/assets/3864544/322033/3f6b44f8-9a21-11e2-9299-1f9af4f92b4a.png)

Regards,

Marc