fix renderScene

renderSceneFix

  renderScene(route, navigator) {
    if (route && route.component) {
      let Component = route.component;
      return (
        <Component navigator={navigator} route={route} />
      )
    }

    switch (this.state.currentRoute) {
      case 'LOGIN_STATE_LOGOUT':
        return <MatchContainer navigator={navigator} />
      case 'LOGIN_STATE_LOGIN':
        return <LoginContainer navigator={navigator} />
      case 'WALKTHROUGH_STATE_START':
        return <WalkthroughContainer navigator={navigator} />
      default:
        return <View />
    }
  },