message: Added option to specify pPb res file name
diff: -void AddTask_LMeeCocktailMC(Int_t CollisionSystem = 200, Float_t MaxEta = 0.8, Float_t MinPt = 0.2, Bool_t WriteTTree = kFALSE, Int_t ResolType = 2 , Int_t ALTweightType = 1) {
  +void AddTask_LMeeCocktailMC(Int_t CollisionSystem = 200, Float_t MaxEta = 0.8, Float_t MinPt = 0.2, Bool_t WriteTTree = kFALSE, Int_t ResolType = 2 , Int_t ALTweightType = 1, TString resFileName = "") {
  // ================= Load Librariers =================================
  gSystem->Load("libCore");
  @@ -45,6 +45,9 @@ void AddTask_LMeeCocktailMC(Int_t CollisionSystem = 200, Float_t MaxEta = 0.8, F
  task->SetWriteTTree(WriteTTree);
  task->SetResolType(ResolType);
  task->SetALTweight(ALTweightType);
  + if(pPbDataSetName != ""){
  + task->SetpPbResFileName(pPbDataSetName);
  + }
  //connect containers
  AliAnalysisDataContainer *coutput =
  