message: FemtoDream: add flexibility to inv.mass kstar hist
  o x axis now depends on NBinsHist to allow different binnings
diff: @@ -1069,7 +1069,7 @@ AliFemtoDreamCorrHists::AliFemtoDreamCorrHists(AliFemtoDreamCollConfig *conf,
  fPairQA[Counter]->Add(fPairInvMassQAD[Counter]);
  fPairInvMassKstarQAD[Counter] = new TH2F(MassQANamePart4.Data(),
  - MassQANamePart4.Data(), 500,
  + MassQANamePart4.Data(), *itNBins * 2,
  massPart1 + massPart2,
  1.5 * (massPart1 + massPart2),
  *itNBins / 2, *itKMin, *itKMax / 2.);
  @@ -1120,7 +1120,7 @@ AliFemtoDreamCorrHists::AliFemtoDreamCorrHists(AliFemtoDreamCollConfig *conf,
  fPairQA[Counter]->Add(fPairInvMEMassQAD[Counter]);
  fPairInvMEMassKstarQAD[Counter] = new TH2F(MEMassQANamePart4.Data(),
  - MEMassQANamePart4.Data(), 500,
  + MEMassQANamePart4.Data(), *itNBins * 2,
  massPart1 + massPart2,
  1.5 * (massPart1 + massPart2),
  *itNBins / 2, *itKMin, *itKMax / 2.);
  