ResolvedPi0Monitor : add 2d histo for pi0 mass versus cell index (CaloMoniDst)
git-svn-id: svn+ssh://svn.cern.ch/reps/lhcb/Rec/trunk@206868 4525493e-7705-40b1-a816-d608a930855b
git-svn-id: svn+ssh://svn.cern.ch/reps/lhcb/Rec/trunk@206868 4525493e-7705-40b1-a816-d608a930855b