added functionality for dirty cleanup of MPI if MPI finalize does not succeed...

added functionality for dirty cleanup of MPI if MPI finalize does not succeed to cancel outstanding requests...

lib/Wrapper.cpp

@@ -209,6 +209,9 @@ int MPI_Finalize() {
   PMPI_Barrier(MPI_COMM_WORLD);
   freeTeamComm();
   Timing::outputTiming();
+#ifdef DirtyCleanUp
+  return MPI_SUCCESS;
+#endif
   return PMPI_Finalize();
 }