use c++ style include files for c-library functions

      Morteza Jalalvand (IASBS)  jalalvand.m AT gmail.com

------------------------------------------------------------------------- */

#include "string.h"

#include "math.h"

#include <cstring>

#include <cmath>

#include "fix_meso_move.h"

#include "atom.h"

#include "group.h"

    and all codes relevant to that has been removed

------------------------------------------------------------------------- */

#include <math.h>

#include <cmath>

#include "fix_rigid_meso.h"

#include "math_extra.h"

#include "atom.h"

    references: Espanol and Revenga, Phys Rev E 67, 026705 (2003)

------------------------------------------------------------------------- */

#include <math.h>

#include <stdlib.h>

#include <cmath>

#include <cstdlib>

#include "pair_sdpd_taitwater_isothermal.h"

#include "atom.h"

#include "force.h"