message: Renamed to from stack to tempNavigator
  Now it's only a temporary navigator will gesture/press back. As soon as the navigate happens the navigator is overwritten. When it was initialising navigator for jumping multiple scenes then stack was a better name because it stayed with scenes for longer
diff: @@ -59,16 +59,16 @@ class Scene extends React.Component<NavigationMotionProps, NavigationMotionState
  }
  if (changed) {
  var {stateNavigator} = navigationEvent;
  - var stackNavigator = new StateNavigator(stateNavigator, stateNavigator.historyManager);
  - stackNavigator.stateContext = Scene.createStateContext(crumbs, crumb);
  - stackNavigator.configure = stateNavigator.configure;
  - stackNavigator.onBeforeNavigate = stateNavigator.onBeforeNavigate;
  - stackNavigator.offBeforeNavigate = stateNavigator.offBeforeNavigate;
  - stackNavigator.onNavigate = stateNavigator.onNavigate;
  - stackNavigator.offNavigate = stateNavigator.offNavigate;
  - stackNavigator.navigateLink = stateNavigator.navigateLink.bind(stateNavigator);
  - var {oldState, state, data, asyncData} = stackNavigator.stateContext;
  - this.setState({navigationEvent: {oldState, state, data, asyncData, stateNavigator: stackNavigator, nextState: undefined, nextData: undefined}});
  + var tempNavigator = new StateNavigator(stateNavigator, stateNavigator.historyManager);
  + tempNavigator.stateContext = Scene.createStateContext(crumbs, crumb);
  + tempNavigator.configure = stateNavigator.configure;
  + tempNavigator.onBeforeNavigate = stateNavigator.onBeforeNavigate;
  + tempNavigator.offBeforeNavigate = stateNavigator.offBeforeNavigate;
  + tempNavigator.onNavigate = stateNavigator.onNavigate;
  + tempNavigator.offNavigate = stateNavigator.offNavigate;
  + tempNavigator.navigateLink = stateNavigator.navigateLink.bind(stateNavigator);
  + var {oldState, state, data, asyncData} = tempNavigator.stateContext;
  + this.setState({navigationEvent: {oldState, state, data, asyncData, stateNavigator: tempNavigator, nextState: undefined, nextData: undefined}});
  }
  }
  }
  