Patch to add a close button to the Panel Controller (Cashew)

[Marco Martin]

On Tuesday 13 May 2008, Conor Sullivan wrote:
> This patch adds a close button to the panel controller.  At first I didn't
> realize that the proper way to close the panel controller is to click the
> cashew again... This close button will be more intuitive for those who want
> to close it and don't know how.

yep, it makes sense. do you have a svn account? otherwise i will commit it
only thing the icon should be window-close
also the esc key shortcut proposed by sebas seems nice

Cheers,
Marco Martin