Merge pull request #96 from jjacob/master

Updates for 7TeV unfolding jobs.
Add MCatNLO option.
Merge pull request #97 from EmyrClement/master

Fix bug in crab configuration for hadronisation systematic sample
Producer and configs for producing BLT unfold ntuples.
Add crab configurations.
Merge pull request #99 from EmyrClement/BLT_Unfold_Merge

Code for producing BLT unfolding ntuples
Adding configuration files for v11 8TeV nTuples.