call previousVC viewWillAppear and viewDidAppear on [self.flipboardNavigationController popViewController];
call previousVC viewWillAppear and viewDidAppear on [self.flipboardNavigationController popViewController];

jianwoo/FlipBoardNavigationController,ngocbinh02/FlipBoardNavigationController,michaelhenry/FlipBoardNavigationController,HelloWilliam/FlipBoardNavigationController,shuoshi/FlipBoardNavigationController