Merge remote-tracking branch 'lammps-ro/master' into lammps-icms
Resolved Conflicts:
lib/atc/Makefile.mingw32-cross
lib/atc/Makefile.mingw32-cross-mpi
lib/atc/Makefile.mingw64-cross
lib/atc/Makefile.mingw64-cross-mpi
lib/atc/Makefile.serial