Master background plot fix
The current --event-bank-chisq option is not working as it was intended. I made change so that it will always creates both chisq and bank-chisq plots and --event-bankchisq now takes specific values to mark on the plot.
The current --event-bank-chisq option is not working as it was intended. I made change so that it will always creates both chisq and bank-chisq plots and --event-bankchisq now takes specific values to mark on the plot.