PyBullet: soft bodies are rendered, so we don't need to also render wireframes in regular mode.

Use glBufferSubData instead of glMapBuffer/glUnmapBuffer, much faster soft body vertex sync.
Don't use a separate btSoftBodyWorldInfo, use the existing one in btSoftMultiBodyDynamicsWorld.

examples/ExampleBrowser/OpenGLExampleBrowser.cpp

@@ -1303,7 +1303,7 @@ void OpenGLExampleBrowser::update(float deltaTime)
                 BT_PROFILE("Render Scene");
                 sCurrentDemo->renderScene();
             }
-			//else
+			else
             {
 				B3_PROFILE("physicsDebugDraw");
 				glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );