Better filters for empty datasets in extract code.
plotABCD now uses function in ABCDtools for purity calculation
added runABCD.py script to run purity calculation in one go
added prepareABCD.py
Added option to not normalize histograms in plotcomparedistr.
Added options to handpick particles for plotcombinevspt.
Add generator to dijet titles.
Remove jet collection from plotvspt-fractions.
Fixes in shell scripts.
Added purity test scripts.