adding pmgr_collective
adding pmgr_collective

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