This adds 11 additional D and B mesons to the Geant4 particle list for the purposes of the long lived Geant4 simulation.
Also modifies the GenParticleSimWhiteList algorithm to take as input a vector of white lists instead of only one white list. The purpose of this is that the 11 new mesons can be simply added with an additional white list instead of modifying the existing one (since they are optional).
Activated with
SimulationJobOptions/preInclude.Mesons.py