Initial skeleton class for the new chart type. Still very much empty.

Change-Id: I5e9eaeb9337d51f59f800f8e676b8bc83b80df70
Add a new chart type "GL 3D Bar" (working name).

Change-Id: I0b0a65bf4f9365a8d522e3c439afe19797b2fdd5
Image for the new chart type.

Change-Id: Idba626c947cc7875bdcdf13677f2161c4d5b68c5
Skeleton template class for GL3D bar chart type.

Still very much empty.  It needs to be filled with sub-categories.

Change-Id: Iad7ad34efb264025541b585a92ee2ea7b8fff56f
List child type for GL3D bar chart type.

For now there is only one child type.

Change-Id: If39a3e75fdae62f0b20769c21e6a4e235ede941e
Crash prevention by checking for NULL.

Change-Id: I10a0c2dcee123b884c563c3e6f83e218747e792a
Turn this into a regular method.

Change-Id: Idb4dc17971cd37a4cdf99b2c02e61fca14cb3ce2
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
Properly import and export the new chart type to and from ODF.

Change-Id: I38e9813c6eb853dfb92b1537cea0b9ad97473b57
Make the new OpenGL chart type a compile time option.

And it's disabled for now.

Change-Id: I9a513d757960b61e7b2d6009eabf97a75b6c453e