message: Trigger separation in case L0 is INT7
  Needed  for PbPb: As L0 trigger INT7 was used and not
  0EMC/0DMC, so checkes for the E/DMC string failed and
  the trigger selection was based purely on the trigger bits.
diff: @@ -289,19 +289,21 @@ void AliAnalysisTaskEmcalTriggerBase::TriggerSelection(){
  }
  }
  }
  -
  - if(fInputEvent->GetFiredTriggerClasses().Contains("EMC") || fInputEvent->GetFiredTriggerClasses().Contains("DMC")){
  + auto triggerstring = fInputEvent->GetFiredTriggerClasses();
  + if(triggerstring.Contains("EMC") || triggerstring.Contains("DMC") ||
  + triggerstring.Contains("INT7E") || triggerstring.Contains("INT7D")){ // special conditions for 2015 PbPb
  // Apply cut on the trigger string - this basically discriminates high- and low-threshold
  // triggers
  auto triggers = PWG::EMCAL::Triggerinfo::DecodeTriggerString(fInputEvent->GetFiredTriggerClasses().Data());
  std::map<int, std::array<bool, 3>> matchedTriggers;
  for(auto t : triggers) {
  const auto &triggerclass = t.Triggerclass();
  - if((triggerclass.find("EMC") != std::string::npos) || (triggerclass.find("DMC") != std::string::npos))
  + if((triggerclass.find("EMC") != std::string::npos) || (triggerclass.find("DMC") != std::string::npos) ||
  + (triggerclass.find("INT7E") != std::string::npos) || (triggerclass.find("INT7D") != std::string::npos))
  AliDebugStream(1) << GetName() << ": Trigger string " << t.ExpandClassName() << std::endl;
  else continue; // No EMC / DMC trigger - not to be checked
  - bool isT0trigger = (triggerclass.find("EMC8") != std::string::npos) || (triggerclass.find("DMC8") != std::string::npos),
  - isVZEROtrigger = (triggerclass.find("EMC7") != std::string::npos) || (triggerclass.find("DMC7") != std::string::npos);
  + bool isT0trigger = (triggerclass.find("EMC8") != std::string::npos) || (triggerclass.find("DMC8") != std::string::npos) || (triggerclass.find("INT8") != std::string::npos),
  + isVZEROtrigger = (triggerclass.find("EMC7") != std::string::npos) || (triggerclass.find("DMC7") != std::string::npos) || (triggerclass.find("INT7") != std::string::npos);
  for(auto iclass = 0; iclass < AliEmcalTriggerOfflineSelection::kTrgn; iclass++){
  AliDebugStream(1) << "Next trigger: " << kEmcalSelectTriggerStrings[iclass] << std::endl;
  bool emcalSelectionStatus = MatchTriggerFromPattern(kEmcalSelectTriggerStrings[iclass], triggerclass);
  