electron scale factors
shell for muon scale factors
lepton scale factors and reweights
fill out muon efficiencies with data from official results
fix join errors
keep pileup histo data in repository
don't reweight anything for gen distributions
append .sf
fix cache annoyance with ttSymmAnti
.sf addition
.sf for single top merging
Merge pull request #12 from betchart/lepton-scale-factors

Lepton scale factors