UITabBarController is lost when set a new ViewController

UITabBarController is lost when set a new ViewController

References

Reference NO 1

http://stackoverflow.com/questions/15192588/uitabbarcontroller-is-lost-when-set-a-new-viewcontroller

Reference NO 2

http://stackoverflow.com/questions/7136062/iphone-push-view-controller-inside-navbar-inside-tabbar

Reference NO 3

http://developer.apple.com/library/ios/documentation/uikit/reference/UITabBarController_Class/

Reference NO 4

http://maybelost.com/2010/12/putting-a-uinavigationcontroller-within-a-uitabbarcontroller/

Reference NO 5

http://ericholsinger.com/programming/show-the-uinavigationcontroller-root-view-controller-in-uitabbarcontroller/

Reference NO 6

http://blog.willwinder.com/2011/05/xcode4-uitabbarcontroller-with.html

Reference NO 7

http://www.raddonline.com/blogs/geek-journal/iphone-sdk-uitabbarcontroller-how-to-save-user-customized-tab-order/

Reference NO 8

http://www.raywenderlich.com/5138/beginning-storyboards-in-ios-5-part-1