TrkVertexOnTrack → TrkEventCnvTools Relation

File in Tracking/TrkEventCnv/TrkEventTPCnv/src/TrkVertexOnTrack	Includes file in Tracking/TrkEventCnv/TrkEventCnvTools
VertexOnTrackCnv_p1.cxx	TrkEventCnvTools / DetElementSurface.h