only update aabb of active objects, thanks Peter Tchernev for reporting (http://bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=1764 )

move debug aabb rendering from updateAabb to debugDrawWorld

Demos/RagdollDemo/RagdollDemo.cpp

@@ -369,7 +369,12 @@ void RagdollDemo::clientMoveAndDisplay()
 		ms = minFPS;
 
 	if (m_dynamicsWorld)
+	{
 		m_dynamicsWorld->stepSimulation(ms / 1000000.f);
+		//optional but useful: debug drawing
+		m_dynamicsWorld->debugDrawWorld();
+
+	}
 
 	renderme();