Merge branch 'run2/gaudi-head-fixes' into 'run2-patches'

Calo/CaloReco/src/CaloCorrectionBase.cpp

Calo/CaloTools/src/CounterLevel.cpp

Hlt/HltMonitors/src/MuMonitor.cpp

Muon/MuonID/include/MuonID/CommonMuonStation.h

Muon/MuonID/src/component/MuonChi2MatchTool.cpp

Muon/MuonID/src/component/MuonIDPlusTool.cpp

Rec/ChargedProtoANNPID/CMakeLists.txt

...edProtoANNPID/src/yPID/MC15TuneV1/decision_train/dtrain.h

...edProtoANNPID/src/yPID/MC15TuneV1/decision_train/json.hpp

...rgedProtoANNPID/src/yPID/MC15TuneV1/keras/keras_model.cpp

...hargedProtoDedxPID/src/ChargedProtoDedxPIDCommonBase.icpp

Rec/ChargedProtoDedxPID/src/ChargedProtoDedxPIDTool.cpp

Tf/FastVelo/src/FastVeloTrack.cpp

Tf/PatAlgorithms/src/FastForwardTool.h

Tf/PatAlgorithms/src/PatForward.cpp

Tf/PatAlgorithms/src/PatForwardTool.cpp

Tf/PatAlgorithms/src/PatFwdRegionCounter.h

Tf/PatAlgorithms/src/PatFwdTool.cpp

Tf/PatAlgorithms/src/PatSeedingTool.h

Tf/TfKernel/include/TfKernel/SIMDChi2Fit.h