MuonCnv → DetectorDescription Relation

File in MuonSpectrometer/MuonPhaseII/MuonCnv	Includes file in DetectorDescription
MuonGeometryCnv / src / ReadoutGeomCnvAlg.cxx	GeoPrimitives / GeoPrimitives / GeoPrimitivesHelpers.h
MuonSegmentCnv / src / TrkSegmentCnvAlg.cxx	GeoPrimitives / GeoPrimitives / GeoPrimitivesHelpers.h