added new R package - r-rgl (#4335)
added new R package - r-rgl (#4335)


iulian787/spack,LLNL/spack,mfherbst/spack,lgarren/spack,matthiasdiener/spack,iulian787/spack,EmreAtes/spack,TheTimmy/spack,tmerrick1/spack,skosukhin/spack,lgarren/spack,lgarren/spack,TheTimmy/spack,krafczyk/spack,LLNL/spack,mfherbst/spack,TheTimmy/spack,lgarren/spack,TheTimmy/spack,LLNL/spack,LLNL/spack,krafczyk/spack,LLNL/spack,matthiasdiener/spack,krafczyk/spack,tmerrick1/spack,EmreAtes/spack,matthiasdiener/spack,EmreAtes/spack,iulian787/spack,skosukhin/spack,mfherbst/spack,matthiasdiener/spack,mfherbst/spack,skosukhin/spack,iulian787/spack,mfherbst/spack,tmerrick1/spack,tmerrick1/spack,krafczyk/spack,matthiasdiener/spack,skosukhin/spack,TheTimmy/spack,tmerrick1/spack,lgarren/spack,EmreAtes/spack,krafczyk/spack,EmreAtes/spack,skosukhin/spack,iulian787/spack