[PULL to discuss] Remove kdrive, Xnest, and Xvfb

[Sérgio Basto]

On Mon, 2012-03-26 at 16:55 -0700, Jamey Sharp wrote:
> xf86-video-dummy doesn't have an equivalent to -fbdir, but it looks
> like you aren't actually making use of the mmap'd framebuffer in
> /var/tmp/. 

But is an interesting feature , seeing what happen in that
framebuffer ... , so if you don't have a real replacement , I do not
agree with delete of Xvfb. Others (kdrive, Xnest) never used before. 

Thanks, 
-- 
Sérgio M. B.