Made VAO the default for GL3 builds. Improved the handling of DisplaySettings::getVertexBufferHint() values.
Made VAO the default for GL3 builds.
Improved the handling of DisplaySettings::getVertexBufferHint() values.

openscenegraph/osg,jtorresfabra/osg,scrawl/osg,scrawl/osg,jtorresfabra/osg,scrawl/osg,jtorresfabra/osg,openscenegraph/osg,openscenegraph/osg,jtorresfabra/osg,scrawl/osg,openscenegraph/osg