message: Fix prints for MPI
diff: @@ -1616,7 +1616,7 @@ string Executor::getReportTitle(CSVRepMode mode, RunParams::CombinerOpt combiner
  title = string("Max ");
  }
  break;
  - default : { cout << "\n Unknown CSV combiner mode = " << combiner << endl; }
  + default : { getCout() << "\n Unknown CSV combiner mode = " << combiner << endl; }
  }
  switch ( mode ) {
  case CSVRepMode::Timing : {
  @@ -1658,7 +1658,7 @@ long double Executor::getReportDataEntry(CSVRepMode mode,
  retval = kern->getMaxTime(vid, tune_idx);
  }
  break;
  - default : { cout << "\n Unknown CSV combiner mode = " << combiner << endl; }
  + default : { getCout() << "\n Unknown CSV combiner mode = " << combiner << endl; }
  }
  break;
  }
  @@ -1682,7 +1682,7 @@ long double Executor::getReportDataEntry(CSVRepMode mode,
  kern->getMaxTime(vid, tune_idx);
  }
  break;
  - default : { cout << "\n Unknown CSV combiner mode = " << combiner << endl; }
  + default : { getCout() << "\n Unknown CSV combiner mode = " << combiner << endl; }
  }
  } else {
  retval = 0.0;
  