Issue 130: fallback to 16-bit depth buffer if 24 is not available.
Issue 130: fallback to 16-bit depth buffer if 24 is not available.

adamlwgriffiths/Pyglet,seeminglee/pyglet64,niklaskorz/pyglet,niklaskorz/pyglet,adamlwgriffiths/Pyglet,seeminglee/pyglet64,niklaskorz/pyglet,adamlwgriffiths/Pyglet,seeminglee/pyglet64,niklaskorz/pyglet,adamlwgriffiths/Pyglet