message: Accepted renderScene as prop
  Allows passing props to scene, like a changeTabs prop
diff: @@ -10,7 +10,8 @@ class NavigationMotion extends React.Component {
  }
  static defaultProps = {
  crumb: 0,
  - tab: 0
  + tab: 0,
  + renderScene: (state, data) => state.renderScene(data)
  }
  static getDerivedStateFromProps(props, {navigationEvent: prevNavigationEvent}) {
  var {crumb, navigationEvent} = props;
  @@ -71,7 +72,7 @@ class NavigationMotion extends React.Component {
  var {state, data} = navigationEvent.stateNavigator.stateContext;
  return (
  <NavigationContext.Provider value={navigationEvent}>
  - {state.renderScene(data)}
  + {this.props.renderScene(state, data)}
  </NavigationContext.Provider>
  );
  }
  