sPuReMD: corrections for pressure calculations (virial).

sPuReMD/src/bond_orders.c

sPuReMD/src/control.c

sPuReMD/src/forces.c

sPuReMD/src/hydrogen_bonds.c

sPuReMD/src/init_md.c

sPuReMD/src/integrate.c

sPuReMD/src/io_tools.c

sPuReMD/src/nonbonded.c

sPuReMD/src/reax_types.h

sPuReMD/src/reset_tools.c

sPuReMD/src/spuremd.c

sPuReMD/src/system_props.c

sPuReMD/src/torsion_angles.c

sPuReMD/src/traj.c

sPuReMD/src/valence_angles.c

sPuReMD/src/vector.h