message: Navigated home -> tweet -> photo on start
  If photo bookmarked then X should go back to tweet that owns the photo and then to home
diff: @@ -15,9 +15,10 @@ export default () => {
  {key: 'photo', trackCrumbTrail: true}
  ], new MobileHistoryManager(url => {
  var {state, data} = stateNavigator.parseLink(url);
  - return stateNavigator.fluent()
  - .navigate('home')
  - .navigate(state.key, data).url;
  + var fluent = stateNavigator.fluent().navigate('home');
  + if (state.key === 'photo')
  + fluent = fluent.navigate('tweet', {id: data.id})
  + return fluent.navigate(state.key, data).url;
  }));
  const {home, tweet, timeline, photo} = stateNavigator.states;
  