added cell simulator

cpu/MembraneHelper.cpp

@@ -39,4 +39,4 @@ extern "C" void Membrane_D3Q19_Transport(int q, int *list, int *links, double *c
         if (!(n < 0))
             dist[q * N + n] = alpha*recvbuf[start + idx];
     }
-}
+}

tests/lbpm_cell_simulator.cpp

@@ -89,7 +89,6 @@ int main(int argc, char **argv)
         PoissonSolver.Create();       
         PoissonSolver.Initialize(Study.time_conv_max);   
 
-
         int timestep=0;
         while (timestep < Study.timestepMax){