- Fixed issue : When I touched status bar table view is not complete view in screen.
1. UIImageView+ProfilePicture : make an UIImageView Category for Circle ImageView.
	- Maybe using a Profile picture in anywhere.

2. NavigationController and NavigationBar initialized.
 	- Left-UIBarButtonItem. customViewSearchButton.
	- Right-UIBarButtonItem. customImageView.
1. Added image set
	- Button_Notification.
	- Button_Search
	- Happy_Engineer
1. Change the Left and Right BarButton.