Merge branch 'master' into PileUpEventInfo.migration

Build/AtlasBuildScripts/build_Gaudi.sh

Build/AtlasBuildScripts/build_atlasexternals.sh

Calorimeter/CaloRec/python/CaloCellGetter.py

Calorimeter/CaloRec/python/CaloCellGetter_DigiHSTruth.py

...nalysisBaseComps/AthAnalysisBaseComps/AthAnalysisHelper.h

...l/AthAnalysisBaseComps/AthAnalysisBaseComps/selection.xml

Control/AthAnalysisBaseComps/src/AthAnalysisHelper.cxx

Control/AthenaBaseComps/AthenaBaseComps/FilteredAlgorithm.h

Control/AthenaCommon/python/Configurable.py

Control/AthenaCommon/share/ConfigurableUnitTests.ref

Control/AthenaCommon/test/ConfigurableUnitTests.py

Control/AthenaConfiguration/python/ComponentAccumulator.py

Control/AthenaConfiguration/python/MainServicesConfig.py

Control/AthenaKernel/AthenaKernel/AddressProviderSvc.h

Control/AthenaKernel/AthenaKernel/IAthenaBarCode.h

Control/AthenaKernel/AthenaKernel/IGMASvc.h

Control/AthenaKernel/AthenaKernel/IIOVSvc.h

Control/AthenaKernel/AthenaKernel/IOVEntryT.h

Control/AthenaKernel/AthenaKernel/IOVRange.h

Control/AthenaKernel/AthenaKernel/IOVSvcDefs.h