a few new variables
SusyFR exercise files
Susy FR exercise: more MC truth variables for the associated B
Fix JetID bug introduced in #89
cfgs for lepton studies, update 2lss txt files to run on susyMultilepton trees
Merge pull request #91 from gpetruc/leptonStudies-CMG_PAT_V5_18_from-CMSSW_5_3_14

Bugfix jetId, and Lepton studies