Changes in code and README for easier compilation. May break something

Samo Penic

2023-01-24 a8e354c7fad70eb7fdfda62ec83faf1be6c4ed44

 src/energy.c

@@ -213,7 +213,7 @@
}

ts_double direct_force_energy(ts_vesicle *vesicle, ts_vertex *vtx, ts_vertex *vtx_old){
   if(fabs(vtx->c)<1e-15) return 0.0;
   if(fabs(vtx->direct_interaction_force)<1e-15) return 0.0;
//   printf("was here");
   if(fabs(vesicle->tape->F)<1e-15) return 0.0;