Use rst-class instead of class for the examples
Use rst-class instead of class for the examples

Thanks to Claoudio Canepa for the patch!

Fixes issue #734.

odyaka341/pyglet,Austin503/pyglet,qbektrix/pyglet,cledio66/pyglet,gdkar/pyglet,odyaka341/pyglet,shaileshgoogler/pyglet,google-code-export/pyglet,gdkar/pyglet,Alwnikrotikz/pyglet,Austin503/pyglet,google-code-export/pyglet,qbektrix/pyglet,xshotD/pyglet,Austin503/pyglet,google-code-export/pyglet,shaileshgoogler/pyglet,kmonsoor/pyglet,cledio66/pyglet,kmonsoor/pyglet,arifgursel/pyglet,cledio66/pyglet,xshotD/pyglet,shaileshgoogler/pyglet,cledio66/pyglet,odyaka341/pyglet,google-code-export/pyglet,xshotD/pyglet,xshotD/pyglet,qbektrix/pyglet,Alwnikrotikz/pyglet,cledio66/pyglet,qbektrix/pyglet,odyaka341/pyglet,Austin503/pyglet,Alwnikrotikz/pyglet,Alwnikrotikz/pyglet,kmonsoor/pyglet,gdkar/pyglet,gdkar/pyglet,arifgursel/pyglet,arifgursel/pyglet,Alwnikrotikz/pyglet,xshotD/pyglet,shaileshgoogler/pyglet,Austin503/pyglet,arifgursel/pyglet,qbektrix/pyglet,kmonsoor/pyglet,kmonsoor/pyglet,arifgursel/pyglet,odyaka341/pyglet,gdkar/pyglet,google-code-export/pyglet,shaileshgoogler/pyglet