[PATCH] Update contrib.texi

[Siddhesh Poyarekar]

On Wed, Feb 05, 2014 at 11:30:07PM +1000, Allan McRae wrote:
> > There probably should be something that reflects Carlos' and Joseph's
> > contributions to the task of herding cats since the steering committee
> > is dissolved, but I can't seem to come up with anything appropriate.
> 
> Do they have an official title for this position?

They don't, which is why I find it a bit hard to describe.  I don't
know if:

    ... for their active involvement in driving consensus in the
    community...

is correct.

Siddhesh