shrink down cube size of BasicDemo 10 times (it looked ginormous in VR) from 2x2x2 meter to 0.2

add test for VR HUD/sub-titles
fix issue in previous commit, partial string use %.8s not %8.s
use long long int in b3Clock
fix warning/error in pointer alignment in serialization
Fix pybullet Windows compilation.
(thanks to bkeys/https://github.com/bulletphysics/bullet3/pull/687)

examples/OpenGLWindow/SimpleCamera.cpp

@@ -62,6 +62,16 @@ void	SimpleCamera::setVRCamera(const float viewMat[16], const float projectionMa
 	}
 }
 
+void SimpleCamera::disableVRCamera()
+{
+	m_data->m_enableVR = false;
+}
+
+bool SimpleCamera::isVRCamera() const
+{
+	return m_data->m_enableVR ;
+}
+
 
 static void    b3CreateFrustum(
                         float left,