[gtkada] implemention of Cairo

[Arnaud Charlet]

> I found that implemention of Cairo for Ada done by Damien Carbonne.
> The project can be found under:
> http://sourceforge.net/projects/cairoada/
> 
> I tried to get it working on Windows and GPL 2008 by pathworking files 
> here and there, but I didn't manage to.
> 
> Couldn't it be worth to integrate it within GtkAda ?

Sure, if people want to contribute working bindings for Cairo, we will
be happy to integrate them.

Arno