message: Prevented adding history every tab press
  Use browser history back when home tab clicked. That means only get history of length 1. Mimics native behaviour
diff: @@ -18,8 +18,10 @@ export default ({tweets, follows}) => {
  onChangeTab={(selectedTab, e) => {
  if (e.ctrlKey || e.shiftKey || e.metaKey || e.altKey || e.button) return
  e.preventDefault();
  - setTab(selectedTab);
  + if (selectedTab === 1)
  stateNavigator.refresh({tab: selectedTab === 0 ? 'home' : 'notifications'});
  + else
  + history.back();
  }}>
  <TabBarItem
  title="Home"
  