message: Update AddTask efficiency
diff: AliAnalysisTaskElectronEfficiencyV2* AddTask_sscheid_efficiencyV2(TString name = "name",
  Bool_t getFromAlien = kFALSE,
  TString configFile="Config_sscheid_efficiencyV2.C",
  + const std::string resolutionFilename ="",
  Int_t wagonnr = 0
  ) {
  @@ -32,6 +33,8 @@ AliAnalysisTaskElectronEfficiencyV2* AddTask_sscheid_efficiencyV2(TString name =
  TMacro conf_die(gSystem->ExpandPathName(configFilePath.Data())); //ROOT6
  AliAnalysisTaskElectronEfficiencyV2 *task = reinterpret_cast<AliAnalysisTaskElectronEfficiencyV2 *>(conf_die.Exec(Form("\"%s\",%d",name.Data(),wagonnr)));
  + // add post calibration files to task
  + task->SetResolutionFile(resolutionFilename,"/alice/cern.ch/user/h/hscheid/supportFiles/" + resolutionFilename);
  