Tags give the ability to mark specific points in history as being important
GMR1055: AlgExecState min state size
GMR1016: cleanup some string handling & remove long deprecated functions
GMR1034: confDB2: Use 'PublicToolHandle', 'PrivateToolHandle' and 'ServiceHandle' instead of GaudiHandleBase as cpp_type
GMR1025: Fixing the handling of NaN
GMR721: Prototype for a renewed Python Configurables implementation
GMR1011: Update THistSvc to support TEfficiency
apply GMR978: enforce const correct ToolHandles for ATLAS
remove const correction exemption for ATLAS
apply GMR959: THistSvc::io_reinit: Handle case of empty new filename
apply GMR949: THistSvc: Fix crash in MP if root file already exists