TrkEventTPCnv → DetectorDescription Relation

File in Tracking/TrkEventCnv/TrkEventTPCnv	Includes file in DetectorDescription
TrkEventTPCnv / helpers / EigenHelpers.h	GeoPrimitives / GeoPrimitives / GeoPrimitives.h
TrkEventTPCnv / TrkEventPrimitives / LocalPositionCnv_p1.h	GeoPrimitives / GeoPrimitives / GeoPrimitives.h