Merge branch 'master-tauTriggerDevContinuation' into 'master'

Reconstruction/tauRecTools/Root/TauIDVarCalculator.cxx

...igAlgorithms/TrigTauRec/python/TrigTauAlgorithmsHolder.py

...er/TrigAlgorithms/TrigTauRec/python/TrigTauRecConfigMT.py

Trigger/TrigAlgorithms/TrigTauRec/src/TrigTauRecMergedMT.h

Trigger/TrigHypothesis/TrigTauHypo/python/TrigTauHypoTool.py

...on/TrigAnalysisTest/share/q221_RDOtoRDOTrig_mt1_build.ref

.../TrigValidation/TrigUpgradeTest/share/full_menu_build.ref

Trigger/TriggerCommon/TrigEDMConfig/python/TriggerEDMRun3.py

...rCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py

...TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py

...rMenuMT/python/HLTMenuConfig/Tau/TauChainConfiguration.py

...riggerMenuMT/python/HLTMenuConfig/Tau/TauMenuSequences.py

...riggerMenuMT/python/HLTMenuConfig/Tau/TauRecoSequences.py