Always honor the ability to disable VBOs
Always honor the ability to disable VBOs

A user's drivers reports OpenGL 1.5 but glGenBuffers is not defined - perhaps
a simple additional check to handle this could be made? Regardless he can
set the environment var (under Windows, ugh) as a work-around.

--HG--
extra : convert_revision : svn%3A14d46d22-621c-0410-bb3d-6f67920f7d95/trunk%401914

infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore