Updating btag weights in unfolding workflows in line with changes in BAT.
Add crab configuration for BLT_bTagEfficiency worflow.
Make changes so the BLT ntuples with btag in tagging mode works.
Add configurations for producing BLT ntuples without b tag requirement.
Fix bug in pset name.
Merge pull request #112 from EmyrClement/BTagEff

Configurations for making BLT ntuples for btag efficiency measurements
Merge pull request #111 from jjacob/master

Updating btag weights in unfolding workflows in line with changes in BAT.