message: change name convention to reflect what I get from Chiara
diff: //______________________________________________________________________________
  TString fileName(const char* dir, int runNumber, const char* da, int i, const char* type)
  {
  - const char* format = "%s/run%09d_MCH_%s-%d_%s";
  - return Form(format,dir,runNumber,da,i,type);
  + const char* format = "%s/DAQ_MCH_%6d_%s_%s-%d.shuttle";
  + return Form(format,dir,runNumber,type,da,i);
  }
  //______________________________________________________________________________
  