Adding towers as ghosts

This MR adds towers as ghosts to PFlow jets and stores the towers in JETM1. This allows the Jet/Etmiss group to study e.g. q/g tagging or PU jet suppression in the forward region as well as new rho definitions using towers. This MR shouldn't have an effect on any other derivations, including DAOD_PHYS because GhostTower is not added to the smart slimming list.

Tagging @mswiatlo @camacho @schaarsc @sawyer @hpacey @miholzbo @mspalla @dportill for their information.

PhysicsAnalysis/DerivationFramework/DerivationFrameworkJetEtMiss/share/JETM1.py

@@ -178,13 +178,15 @@ JETM1SlimmingHelper.SmartCollections = ["Electrons", "Photons", "Muons", "Primar
 # Add QG tagger variables
 JETM1SlimmingHelper.ExtraVariables  = ["AntiKt4EMTopoJets.DFCommonJets_QGTagger_NTracks.DFCommonJets_QGTagger_TracksWidth.DFCommonJets_QGTagger_TracksC1",
                                        "AntiKt4EMPFlowJets.DFCommonJets_QGTagger_NTracks.DFCommonJets_QGTagger_TracksWidth.DFCommonJets_QGTagger_TracksC1",
+                                       "AntiKt4EMPFlowJets.GhostTower",
                                        "InDetTrackParticles.truthMatchProbability", 
                                        "AntiKt10UFOCSSKSoftDropBeta100Zcut10Jets.zg.rg.NumTrkPt1000.TrackWidthPt1000.GhostMuonSegmentCount.EnergyPerSampling.GhostTrack",
                                        "AntiKt10LCTopoTrimmedPtFrac5SmallR20Jets.zg.rg",
                                        "AntiKt10UFOCSSKJets.NumTrkPt1000.TrackWidthPt1000.GhostMuonSegmentCount.EnergyPerSampling.GhostTrack"]
 
 JETM1SlimmingHelper.AllVariables = [ "MuonSegments", "EventInfo", "TruthVertices", "TruthParticles"
-                                     "Kt4EMTopoOriginEventShape","Kt4EMPFlowEventShape","Kt4EMPFlowPUSBEventShape"]
+                                     "Kt4EMTopoOriginEventShape","Kt4EMPFlowEventShape","Kt4EMPFlowPUSBEventShape",
+                                     "CaloCalFwdTopoTowers"]
 
 # Trigger content
 JETM1SlimmingHelper.IncludeJetTriggerContent = True