Bc -> D0(star) mu nu
Port merge of branch 'LHCBGAUSS-1304'
See merge request !249 (merged) for Sim09
(cherry picked from commit d6500497)
ff177130 Bc -> D0(star) mu nu
7503eba3 Modifications to the BcXMuNu/BCXFF classes.
af7b3796 Replace hardcoded particle masses with EvtPD::getMass().
c2afe32f Change EvtPDL::getMass() to EvtPDL::getMeanMass() in EvtBCXFF classes.