     }
     
     @IBAction func logoutButtonTapped(sender: UIButton) {
-        self.logoutUser()
+        logoutUser()
     }
     
     // MARK: - Logout

    }
    
    func prepareForPopoverPresentation(popoverPresentationController: UIPopoverPresentationController) {
        popoverPresentationController.sourceView = self.view
    }
    
    func userDidConfirmLogout() {

            })
            
        } else {
            UIActionSheet.showFromBarButtonItem(logoutBarButtonItem, animated: true, withTitle: NSLocalizedString("FOLDERS_VIEW_CONTROLLER_LOGOUT_CONFIRMATION_TITLE", comment: "You you sure you want to sign out?"), cancelButtonTitle: NSLocalizedString("GENERIC_CANCEL_BUTTON_TITLE", comment: "Cancel"), destructiveButtonTitle: NSLocalizedString("FOLDERS_VIEW_CONTROLLER_LOGOUT_TITLE", comment: "Sign out"), otherButtonTitles: nil, tapBlock: { (actionSheet: UIActionSheet!, buttonIndex: Int) -> Void in
                if buttonIndex == 0 {
                    self.userDidConfirmLogout()
                }
