Modifies converse schedeuler to prioritize NodeGroup messages #107

Job	Run time
cuda_netlrts-linux-x86_64_buildonly	1m 4s
charm4py_netlrts-linux-x86_64_tcp	1m 6s
changa_netlrts-linux-x86_64	1m 6s
buildold_netlrts-linux-x86_64	1m 6s
doc	42s
mpi-linux-x86_64	1m 5s
mpi-linux-x86_64_syncft	1m 5s
multicore-darwin-x86_64_projections	42s
namd_netlrts-linux-x86_64	1m 5s
netlrts-darwin-x86_64	1m 3s
netlrts-linux-i386	1m 4s
netlrts-linux-x86_64	1m 4s
netlrts-linux-x86_64_smp	1m 3s
netlrts-linux-x86_64_syncft	1m 6s
shellcheck	6s
spack_ubuntu-latest	1m 3s
spack_macos-12	1m 6s
ucx-linux-x86_64_openpmix	1m 5s
netlrts-win-x86_64_mingw64	50s
verbs-linux-x86_64_smp	1m 6s
	19m 37s

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