we have listen to simulation events even if we have no agentSource (we can still resize our array and remove agents)
we have listen to simulation events even if we have no agentSource (we can still resize our array and remove agents)

etomica/etomica,ajschult/etomica,etomica/etomica,etomica/etomica,ajschult/etomica,ajschult/etomica