Draft: Unification of truthutils
- use the
isZeroEnergyPhotonand function - added comments to the
HepMCHelpers.h - Changed
MenuTruthThinning_isBSMaccording to https://its.cern.ch/jira/browse/ATLASG-2550
Edited by Andrii Verbytskyi
isZeroEnergyPhoton and functionHepMCHelpers.h
MenuTruthThinning_isBSM according to https://its.cern.ch/jira/browse/ATLASG-2550