Kokkos updates by Stan

doc/src/compute_pressure.txt

src/Depend.sh

src/KOKKOS/atom_vec_kokkos.h

src/KOKKOS/neighbor_kokkos.cpp

src/KOKKOS/pair_tersoff_kokkos.cpp

src/KOKKOS/pair_tersoff_mod_kokkos.cpp

src/KOKKOS/pair_tersoff_zbl_kokkos.cpp

src/KOKKOS/region_block_kokkos.h

src/MISC/fix_orient_fcc.cpp

src/USER-SMTBQ/pair_smtbq.cpp

src/compute_reduce.cpp