Add component-wise set functions for Border and Gutter (vtkChartMatrix)

Change-Id: Ie8d28892ba4167136a066fc2723f1b549f8145fe
Set Bold and Italic axis label properties for ScatterPlotMatrix.

Change-Id: I6c184424cc94e0c08df3af156a387a240988626c
Merge topic 'view-setings' into master

de01f9e8 Set Bold and Italic axis label properties for ScatterPlotMatrix.
5d417755 Add component-wise set functions for Border and Gutter (vtkChartMatrix)