Merge branch 'moreClassTraits' into 'master'

.../TrigAnalysis/TrigDecisionTool/Root/CacheGlobalMemory.cxx

.../TrigDecisionTool/Root/DecisionObjectHandleStandalone.cxx

.../TrigAnalysis/TrigDecisionTool/TrigDecisionTool/Feature.h

...lysis/TrigDecisionTool/src/DecisionObjectHandleAthena.cxx

...is/TrigDecisionTool/src/DecisionObjectHandleEventInfo.cxx

...alysis/TrigDecisionTool/src/DecisionUnpackerEventInfo.cxx

...rigAnalysis/TrigDecisionTool/src/FeatureCollectAthena.cxx

...ger/TrigAnalysis/TrigDecisionTool/test/Templates_test.cxx

...t/TrigMonitoringEvent/TrigMonitoringEvent/TrigMonL1Item.h

...igEvent/TrigSteeringEvent/TrigSteeringEvent/HLTResultMT.h

...gEvent/TrigSteeringEvent/TrigSteeringEvent/ScoutingInfo.h

Trigger/TrigEvent/TrigSteeringEvent/src/HLTResult.cxx

Trigger/TrigEvent/TrigSteeringEvent/src/HLTResultMT.cxx

Trigger/TrigEvent/TrigSteeringEvent/src/ScoutingInfo.cxx

Trigger/TrigSteer/TrigSteering/TrigSteering/StreamTag.h

Trigger/TrigSteer/TrigSteering/TrigSteering/TrigSteer.h

Trigger/TrigSteer/TrigSteering/src/EventInfoAccessTool.cxx

Trigger/TrigSteer/TrigSteering/src/Lvl1FromFile.cxx

Trigger/TrigSteer/TrigSteering/src/LvlTopoConverter.cxx

Trigger/TrigSteer/TrigSteering/src/Sequence.cxx