EGamma ambiguity. Add a few comments, format a bit, use override final
requested to merge ATLAS-EGamma/athena:Mark_as_vertex_better_than_track_EoverP_when_we_have_double_cnv into master
EGamma ambiguity. Add a few comments, format a bit, use override final, default dtor, removed unneeded finalize
Edited by Christos Anastopoulos