message: Changed prop to active to match component api
diff: ReactDOM.render(
  <NavigationHandler stateNavigator={stateNavigator}>
  - <SceneView stateKey="people"><List /></SceneView>
  - <SceneView stateKey="person"><Details /></SceneView>
  + <SceneView active="people"><List /></SceneView>
  + <SceneView active="person"><Details /></SceneView>
  </NavigationHandler>,
  document.getElementById('root')
  );
  