Comment out debug prints.
Configure for batch mode
Exclude a few tests from the build
Add (currently non-working) test of overlaid Histogram2D box plots
Recompute the Z bounds if the histogram has entries already
Fix problem where line style was not applied to box plot
Fix overlay of Histogram2D box plots by updating all renderers in the chart #41
Remove unused import and correct warning about untyped generic
Update visible plot on the fly to check listener behavior for overlaid box plots