title: IOS Switch between views
body: <p>I have ios project with storyboard. There are 4 views in storyboard. The first view that come after navigation controller is "Login View". In all other views there is a Logout button.
  When you click the button I want the application show the Login View. But I could not find how to do this. </p>
  
  <p>Please can you show me the code how to do that?</p>
  
  <p>Thanks!</p>