Bill Lorensen authored Oct 01, 2016 and Michael Fogleman committed Oct 17, 2016

PlotBox expects a table that contains exactly 5 rows per column. This
patch adds an ErrorMacro with a descriptive message if the table is
not valid.

A new test checks the new error message and uses vtkComputeQuartiles
to create a valid table.

ERR: ChartBox was not displaying the chart title.