title: Make UIView fix position to the top of UITableViewController
body: <p>I want to make custom Navigation Bar using UIView but I don't want to embed Navigation Controller. I have tried making UIView but end up the UIView is scrollable. The main thing about Navigation Bar is sticked to the top whether the UITableViewController scrolled or not.
  How to make the custom Navigation Bar with UIView has fixed position like the original navigation bar. Thanks!</p>