Change license to Apache-2.0 with LLVM exceptions #115

Job	Run time
buildold_netlrts-linux-x86_64	18m 15s
charm4py_netlrts-linux-x86_64_tcp	11m 11s
cuda_netlrts-linux-x86_64_buildonly	10m 53s
changa_netlrts-linux-x86_64	6m 25s
doc	56s
mpi-linux-x86_64	59m 4s
mpi-linux-x86_64_syncft	13m 22s
multicore-darwin-x86_64_projections	18m 51s
namd_netlrts-linux-x86_64	8m 58s
netlrts-linux-i386	18m 20s
netlrts-linux-x86_64	15m 57s
netlrts-darwin-x86_64	29m 17s
netlrts-linux-x86_64_smp	25m 39s
netlrts-linux-x86_64_syncft	11m 12s
shellcheck	5s
netlrts-win-x86_64_mingw64	18m 15s
spack_ubuntu-latest	34m 33s
ucx-linux-x86_64_openpmix	17m 37s
spack_macos-12	37m 20s
verbs-linux-x86_64_smp	15m 54s
	6h 12m 4s

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