Change license to Apache-2.0 with LLVM exceptions #113

Job	Run time
buildold_netlrts-linux-x86_64	17m 37s
changa_netlrts-linux-x86_64	6m 27s
cuda_netlrts-linux-x86_64_buildonly	10m 46s
charm4py_netlrts-linux-x86_64_tcp	7m 0s
doc	41s
mpi-linux-x86_64	1h 5m 20s
mpi-linux-x86_64_syncft	12m 58s
multicore-darwin-x86_64_projections	18m 40s
namd_netlrts-linux-x86_64	8m 51s
netlrts-darwin-x86_64	28m 8s
netlrts-linux-i386	17m 36s
netlrts-linux-x86_64	16m 12s
netlrts-linux-x86_64_smp	25m 25s
netlrts-linux-x86_64_syncft	11m 34s
netlrts-win-x86_64_mingw64	17m 41s
shellcheck	5s
spack_ubuntu-latest	33m 56s
ucx-linux-x86_64_openpmix	17m 27s
verbs-linux-x86_64_smp	16m 22s
spack_macos-12	45m 45s
	6h 18m 31s

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