message: Fix: restore AliAnalysisManager::Notify kTrueNotify actions
  On of the changes in fix (intended to make AliAnalysisManager compatible
  both with root5.. and root6-18-04, was in fact crashing analysis with all root versions. Reverting it.
diff: @@ -631,7 +631,7 @@ Bool_t AliAnalysisManager::Notify()
  fIOTimer->Start(kTRUE);
  if (!fTree) return kFALSE;
  - //PH if (!TObject::TestBit(AliAnalysisManager::kTrueNotify)) return kFALSE;
  + if (!TObject::TestBit(AliAnalysisManager::kTrueNotify)) return kFALSE;
  fTable.Clear("nodelete"); // clearing the hash table may not be needed -> C.L.
  if (fMode == kProofAnalysis) fIsRemote = kTRUE;
  