New gl code added.
Work on new gl code.
new hh files, util and transform, added.
gl calls have to happen on the GL thread.
New gl code in working state.
New Cocoa OpenGLView class in working state.

This version:

1) a dpj::gl::renderer_t member
2) calls [delegate draw] to do drawing
toy app works.
buffer.hh added to VC.
bbi-view builds with new gl code. Doesn't draw yet.
Changes to remote bbi options.
Added gl.hh to include the other files in one hit.
Moved old gl code to folder pending removal.
Simple transform class added.

Maybe change the name of this to mat4 in due course.
Notes on spec added.
Added triangle class to toy. Provides and update function.
drawable.hh now provides polymorphic update function.
Program provides convenience functions for location retrieval.
Toy draws scene with updates.
New files for big-data-cloud.
Moved dpj::gl::global to own header.

Am not sure how this will work. It requires only being included once...