Added W+jets weight to fit histograms, plus/minus -> up/down
merge
Merge branch 'master' of https://github.com/HEP-KBFI/stpol
Merge branch 'master' of https://github.com/HEP-KBFI/stpol
Merge branch 'master' of https://github.com/HEP-KBFI/stpol
Added 2D histograms
Merge branch 'master' of https://github.com/HEP-KBFI/stpol