added configurable parameters maxAssocCaloE and maxAssocCaloEDeltaRSize

These configurable parameters calculate the associated calorimeter energy associated with a track (i.e. the sum of all calo tower deposits within a cone around the track)
why this try /catch? This should be removed.
Isn't the name of the collection known?

The CaloTowers should also be declared in the consumes part
https://twiki.cern.ch/twiki/bin/view/CMSPublic/SWGuideEDMGetDataFromEvent