TrfTestsARTPlots: Add histogram comparison result
Add a Kolmogorov-Smirnoff histogram comparison in trf_ratioplot_art.py
and exit with non-zero in case there is a histogram difference somewhere.
Add a Kolmogorov-Smirnoff histogram comparison in trf_ratioplot_art.py
and exit with non-zero in case there is a histogram difference somewhere.