message: CalibratePeriodPP macro updated to allow both ROOT 5 and ROOT6 running
diff: +#ifdef __CLING__
  #include "AliMultEstimator.h"
  #include "AliMultSelectionCuts.h"
  #include "AliMultSelection.h"
  #include <TSystem.h>
  #include <TF1.h>
  #include <TFile.h>
  +#endif
  ////////////////////////////////////////////////////////////
  //
  