macros and code for non resonant hh->4b analysis in CMS Run2.

-- work in progress... update for V15 vhbb ntuples --

-- V12 -> Apr15 -- freezed and used with Phys14 samples.

-- V13 -> Sept15

-- V15 -> Nov15

BASELINE:

• step0 -> Step0 ntuples production from vhbb official ntuples.

    no trigger request or kin cuts. Jets level info only.
  

• kinSel -> Step1 ntuples production: trigger, kinematical cuts, jets coupling

        OUTPUT: Step1 ntuples in 'data' folder + Histos (.root) in 'plots' folder + log in 'plots' folder 
  
        hh4b_13TeV_kinSel.cc -> produce Step1 ntuples
  
        Plot_kinSel_new.cc -> produce final plots from Step1 histos.
  

ADDITIONAL CODE:

• tmva -> hh4b_13TeV_tmva.cc , code to apply a tmva (BDT, Likelihood) to selected variables from Step1 ntuples. see also https://github.com/cgottard/hh4b_8TeV_CarloThesis.

• fit -> to do a 2D binned likelihood fit + to use combine to extract final limit

• jetMatch -> preliminary study on different method to select 4th jet - to be updated

• studies -> random stuff