Correcting typo in one CRAB config file and correcting version number in README.
Adding Single top t-channel CRAB configuration file.
Updating b-tag scale factors for both 7 TeV and 8 TeV.
New MC and data pileup files for Summer11Leg / 7TeV. Also included the first few Summer11Leg unfolding CRAB configuration files.
Adding lepton scale factors to unfolding workflow.
Adding CRAB configuration file for TTJets powheg-herwig dataset which we need to determine the hadronisation systematic properly.
Add optional storage of pdf weights. Remove memroy leak from producer.  Add info for applying btag weights after ntuple production.
Update and add 8 TeV BLT unfolding crab configurations.