add option to create mp4 videos from App_AllBullet2Demos, using the

--mp4=video.mp4 note that you have to re-convert for Quicktime
ffmpeg  -f mp4 -vcodec h264 -i test.mp4 -pix_fmt yuv420p test2.mp4
add the option to display text in 3d, used in Coriolis demo

Demos/GyroscopicDemo/GyroscopicSetup.h

@@ -8,6 +8,8 @@ struct GyroscopicSetup : public CommonRigidBodySetup
 {
 	virtual void initPhysics(GraphicsPhysicsBridge& gfxBridge);
 
+    virtual void syncPhysicsToGraphics(GraphicsPhysicsBridge& gfxBridge);
+
 };