Add type checks to OpenGLRenderInterface.
Add type checks to OpenGLRenderInterface.

draw() and compileList() no longer assume the input Shape is a
ShapeMesh.

dartsim/dart,dartsim/dart,axeisghost/DART6motionBlur,dartsim/dart,axeisghost/DART6motionBlur,dartsim/dart,axeisghost/DART6motionBlur,dartsim/dart