message: PWGGA/GammaConv: Adding rotation background to calibration task
  Previously only mixed event was implemented in this AnalysisTask
diff: #include "TH3.h"
  #include "TH3F.h"
  #include "THnSparse.h"
  +#include "TGenPhaseSpace.h"
  #include <vector>
  #include <map>
  @@ -107,6 +108,7 @@ void SetNumOfCaloModules ( Int_t nModules)
  // BG HandlerSettings
  void CalculateBackground ();
  + void CalculateBackgroundSwapp ();
  void CalculateBackgroundRP ();
  void RotateParticle ( AliAODConversionPhoton *gamma );
  void RotateParticleAccordingToEP ( AliAODConversionPhoton *gamma,
  @@ -262,11 +264,12 @@ protected:
  Int_t fTrackMatcherRunningMode; // CaloTrackMatcher running mode
  Int_t fUseEletronMatchingCalibration; // switch for calibration using electron tracks (1) or electrons from V0s (2) to cluster matching
  + TGenPhaseSpace fGenPhaseSpace; // TGenPhaseSpace needed for some cases of rotation method
  private:
  AliAnalysisTaskConvCaloCalibration(const AliAnalysisTaskConvCaloCalibration&); // Prevent copy-construction
  AliAnalysisTaskConvCaloCalibration &operator=(const AliAnalysisTaskConvCaloCalibration&); // Prevent assignment
  - ClassDef(AliAnalysisTaskConvCaloCalibration, 5);
  + ClassDef(AliAnalysisTaskConvCaloCalibration, 6);
  };
  #endif // AliAnalysisTaskConvCaloCalibration_H
  