message: Tweak addtask to use AA
diff: @@ -13,7 +13,7 @@ AliGenerator* AddCustomMCGenPythia8( TString lTune = "pp",
  gSystem->Load("liblhapdf");
  AliGenerator *genP = NULL;
  - if( !lTune.EqualTo("PbPb") ){
  + if( !lTune.Contains("pp") ){
  genP = CreatePythia8GenCustom(lTune, e_cms);
  }else{
  genP = CreatePythia8GenPbPb(lTune, e_cms);
  @@ -181,16 +181,20 @@ AliGenerator* CreatePythia8GenPbPb( TString lTune,
  std::cout << " Desired PYTHIA configuration: "<< lTune.Data()<< std::endl;
  std::cout << "*****************************************************************" << std::endl;
  // set process (MB)
  - gener->SetProcess(kPyMbDefault);
  + if(lTune.EqualTo("PbPb")) gener->SetProcess(kPyAngantyr);
  + if(lTune.EqualTo("XeXe")) gener->SetProcess(kPyAngantyrXeXe);
  + if(lTune.EqualTo("KrKr")) gener->SetProcess(kPyAngantyrKrKr);
  + if(lTune.EqualTo("ArAr")) gener->SetProcess(kPyAngantyrArAr);
  + if(lTune.EqualTo("OO")) gener->SetProcess(kPyAngantyrOO);
  //Centre of mass energy
  gener->SetEnergyCMS(e_cms); // in GeV
  //random seed based on time
  - (AliPythia8::Instance())->ReadString("Beams:idA = 1000822080");
  - (AliPythia8::Instance())->ReadString("Beams:idB = 1000822080");
  - (AliPythia8::Instance())->ReadString("PhaseSpace:pTHatMax = -1.0"); //this should be fixed in the constructor
  - (AliPythia8::Instance())->ReadString("Main:timesAllowErrors = 50000");
  +// (AliPythia8::Instance())->ReadString("Beams:idA = 1000822080");
  +// (AliPythia8::Instance())->ReadString("Beams:idB = 1000822080");
  +// (AliPythia8::Instance())->ReadString("PhaseSpace:pTHatMax = -1.0"); //this should be fixed in the constructor
  +// (AliPythia8::Instance())->ReadString("Main:timesAllowErrors = 50000");
  (AliPythia8::Instance())->ReadString("HeavyIon:SigFitNGen = 0");
  (AliPythia8::Instance())->ReadString("HeavyIon:SigFitDefPar = 13.88,1.84,0.22,0.0,0.0,0.0,0.0,0.0");
  