[ITP-adopt] curl 7.15.0

[Eric Blake]

> In any case, this is a minor nit.  At this point, it's more important to
> get curl updated for the security flaw, so I'm calling this GTG.
> 
> Please, though, try to get c-ares and libidn included when you can.

I have just uploaded curl-7.15.0-3, based on this recommendation.
I deleted all remnants of 7.10.8-1, but was unsure whether to remove
the old curl/curl-7.11.1-1* in favor of the new curl/libcurl2/*7.11.1*
files.  Please advise.

--
Eric Blake