message: Moved the vertex getter just after the PS
  Added comments
  Removed check on multiplcity bin
diff: @@ -1520,16 +1520,6 @@ void AliAnalysisTaskTOFSpectra::UserExec(Option_t *){
  if (fEvtPhysSelected) hNEvt->Fill(EvtStart); //-->Pass Phys. Sel. + Trig
  EvtStart++;
  - //
  - //Event Selection
  - //
  - //
  - //Check the Event Multiplicity, the event selection is embedded in the Multiplicity selection with the codes reported in the AliMultSelectionCuts
  - //
  - StartTimePerformance(1);
  - ComputeEvtMultiplicity();//Compute the event multiplicity or centrality depending on the system
  - StopTimePerformance(1);
  -
  //
  // monitor vertex position before event and physics selection
  //
  @@ -1540,12 +1530,24 @@ void AliAnalysisTaskTOFSpectra::UserExec(Option_t *){
  hEvtVtxZBefSel->Fill(fPrimVertex[2]);
  }
  + if(fMCmode) GatherEventMCInfo();//Get the MC event and get the information on it. NOTE here the information on the reco vertex is needed as it is used
  +
  + //
  + //Event Selection
  + //
  + //
  + //Check the Event Multiplicity, the event selection is embedded in the Multiplicity selection with the codes reported in the AliMultSelectionCuts
  + //
  + StartTimePerformance(1);
  + ComputeEvtMultiplicity();//Compute the event multiplicity or centrality depending on the system
  + StopTimePerformance(1);
  +
  StartTimePerformance(2);
  - fEvtSelected = SelectEvents(EvtStart);//Perform the cuts for the event selectionevent selection
  + fEvtSelected = SelectEvents(EvtStart);//Perform the cuts for the event selection
  StopTimePerformance(2);
  StartTimePerformance(3);
  - ComputeEvtMultiplicityBin();//Calculate in the handy binning the Multiplicity bin of the event
  + ComputeEvtMultiplicityBin();//Calculate in the handy binning the Multiplicity bin of the event. Event selection needs to be defined already as no outliers are accepted!
  StopTimePerformance(3);
  @@ -2444,9 +2446,6 @@ void AliAnalysisTaskTOFSpectra::GatherEventMCInfo(){
  if (fVertStatus > 1)
  hEvtVtxZMCReco->Fill(MCvtx->GetZ());
  - //Check on the definition of the correct Multiplicity
  - if (fEvtMultBin < 0 || fEvtMultBin > kEvtMultBins - 1)
  - AliFatal("The Multiplicity bin is not defined!!!");
  }
  //________________________________________________________________________
  