lep MVA cuts disabled in bins/3l_tight.txt and bins/4l.txt
roc_3l.txt and roc_4l.txt obtained as the copies of roc_2lss.txt
roc_3l.txt and roc_4l.txt improved
Three copies of roc_2lss.txt made in order to parallelize plotting ROC curves.
plotRocCurves.sh written in order to parallelize plotting ROC curves.
Keep .png and remove .root output files.
A small correction: roc_2lss.txt -> roc_2lss_mumu.txt in the argument of the rocCurves.py