Tags give the ability to mark specific points in history as being important
fixes for LCG_106a and Boost 1.86
GMR1678: CompressionSetting: replace deprecated and removed enums
GMR1598: fix race in PersistencySvc::addCnvSvc
GMR1579: include EventID in scheduler dump
GMR 1567: Introduced extra parameter to ThreadPoolSvc initPool