Hijing_i → AtlasHepMC Relation

File in Generators/Hijing_i	Includes file in Generators/AtlasHepMC
src / Hijing.cxx	AtlasHepMC / GenEvent.h
src / Hijing.cxx	AtlasHepMC / GenVertex.h
src / Hijing.cxx	AtlasHepMC / GenParticle.h
src / Hijing.cxx	AtlasHepMC / HeavyIon.h