coverity#735476: bRepeat is always false.

Therefore act accordingly.

Change-Id: Ie737c053a935d3cc0e0c03ab30da2cf3fde0e401
Add a new skeleton plotter for the GL3D bar chart.

It plots absolutely nothing. It's just a place holder for now.

Change-Id: I6eb9cc23481391b83f6946a8b49a6176c5b29cd7