[texhax] upgrade of PSTricks documentation

[Herbert Voss]

Karl Berry wrote:
>     The files cannot be compiled with current (La)TeX. However, if
>     someone get it run, we can change the license.
> 
> Seems like the other way around to me?  Shouldn't we get permission from
> TvZ to change the license first?
> 
> As Reinhard said, there is no sense in working on sources are not
> distributable.  It would be better to write a new manual from scratch.

why should files be part of any distribution, when they are
in a directory named _obsolete_??

Herbert