Fix NormalizeVertices() for indexed vertices.
[spline/bezier]Support drawing primitives lines and points.
[spline/bezier]Fix patch subdivision counts correctly.
[spline/bezier]Fix order of quad indices.
[spline/bezier]Support medium quality. It's half of high quality. High quality is the original.
Merge branch 'spline/bezier'
Merge pull request #7107 from xebra/master

Fix spline/bezier