EventSelectorAthenaPool → PoolSvc Relation

File in Database/AthenaPOOL/EventSelectorAthenaPool	Includes file in Database/AthenaPOOL/PoolSvc
src / CondProxyProvider.cxx	PoolSvc / IPoolSvc.h
src / EventSelectorAthenaPool.cxx	PoolSvc / IPoolSvc.h
src / PoolCollectionConverter.cxx	PoolSvc / IPoolSvc.h