Merge branch 'kim-install' into install-and-docs-reviewed

doc/src/Section_accelerate.txt

doc/src/Section_commands.txt

doc/src/Section_example.txt

doc/src/Section_packages.txt

doc/src/accelerate_gpu.txt

doc/src/accelerate_intel.txt

doc/src/accelerate_kokkos.txt

doc/src/accelerate_omp.txt

doc/src/accelerate_opt.txt

doc/src/neigh_modify.txt

examples/README

lib/Install.py

lib/gpu/Install.py

lib/kim/Install.py

lib/kim/README

lib/linalg/Install.py

lib/mscg/Install.py

lib/smd/Install.py

lib/voronoi/Install.py

src/Makefile