JER smearing and related jet changes
- more use of PAT userfloats for jet properties
- more configurable jet properties producer
- JER smearing and uncertainties w/ latest db file (for main collection and HadTau softJets)
- Python utilities: JetDepot (for JEC/JER uncertainty variations), addJetInfo (easily attach userfloats to jet collection)
Ntuple size for 1000 80X T1tttt events increases from ~10M to ~13M from extra collections for JER uncertainties