py-matplotlib maintainership

[Guido Soranzio]

> On 27.01.2008, at 19:25, Adam Mercer wrote:

>
>> I'm interested in taking over matplotlib maintainership and it  
>> would make more sense having the same maintainer for the two  
>> different versions.

I have updated the Portfile and the patch-setupext.py.diff to
the latest version upstream, 0.91.2.

Before taking the maintenership, if you want, I could commit them
in order to start from the latest sources available.

-Guido