message: Scrolled innter tab to top when outer scrolled to top
diff: @@ -84,6 +84,8 @@ public class TabBarView extends ViewPager {
  ((NavigationBarView) viewGroup.getChildAt(i)).setExpanded(true);
  if (viewGroup.getChildAt(i) instanceof ScrollView)
  ((ScrollView) viewGroup.getChildAt(i)).smoothScrollTo(0,0);
  + if (viewGroup.getChildAt(i) instanceof TabBarView)
  + ((TabBarView) viewGroup.getChildAt(i)).scrollToTop();
  }
  }
  if (tabBarItem instanceof ScrollView)
  