AFP_EventAthenaPool → AFP_DigiEv Relation

File in ForwardDetectors/AFP/AFP_EventCnv/AFP_EventAthenaPool	Includes file in ForwardDetectors/AFP/AFP_DigiEv
src / AFP_SiDigiCollectionCnv.h	AFP_DigiEv / AFP_SiDigiCollection.h
src / AFP_TDDigiCollectionCnv.h	AFP_DigiEv / AFP_TDDigiCollection.h