New Package: C-Ares (#4840)
New Package: C-Ares (#4840)

Adds the c-ares library, a C library for asynchronous DNS requests.

Required for the google gRPC library.
mfherbst/spack,matthiasdiener/spack,TheTimmy/spack,TheTimmy/spack,tmerrick1/spack,tmerrick1/spack,lgarren/spack,iulian787/spack,mfherbst/spack,lgarren/spack,krafczyk/spack,TheTimmy/spack,EmreAtes/spack,matthiasdiener/spack,mfherbst/spack,matthiasdiener/spack,mfherbst/spack,skosukhin/spack,matthiasdiener/spack,EmreAtes/spack,lgarren/spack,krafczyk/spack,iulian787/spack,tmerrick1/spack,krafczyk/spack,matthiasdiener/spack,tmerrick1/spack,iulian787/spack,iulian787/spack,LLNL/spack,TheTimmy/spack,LLNL/spack,skosukhin/spack,mfherbst/spack,lgarren/spack,iulian787/spack,lgarren/spack,EmreAtes/spack,skosukhin/spack,LLNL/spack,skosukhin/spack,EmreAtes/spack,krafczyk/spack,EmreAtes/spack,skosukhin/spack,krafczyk/spack,LLNL/spack,LLNL/spack,TheTimmy/spack,tmerrick1/spack