[turba] Add Yahoo! Maps

[Chuck Hagenbuch]

Quoting Mike Bydalek <mbydalek at zivix.com>:

> Here is a strictly optional patch that adds an addition Mapping link 
> for a Turba contact.
>
> Basically those of us in the U.S. are able to use Yahoo! to map, which 
> sometimes is better than Mapquest.  Personally I find that Yahoo! is better 
> for newer addresses, and Mapquest is better for more established areas.

Options are good - committed, thanks! :)

-chuck

--
"Here, I brought some cole slaw. It's made from peeeooople! Just kidding."