             showingItem.title = title
         }
 
-        self.navigationItem.setHidesBackButton(true, animated: false)
+        navigationItem.setHidesBackButton(true, animated: false)
         
-        self.navigationItem.backBarButtonItem = nil
-        self.navigationItem.leftBarButtonItem = nil
+        navigationItem.backBarButtonItem = nil
+        navigationItem.leftBarButtonItem = nil
         
-        self.navigationController?.navigationBar.topItem?.setRightBarButtonItem(self.logoutBarButtonItem, animated: false)
-        self.navigationController?.navigationBar.topItem?.title = title
+        navigationController?.navigationBar.topItem?.setRightBarButtonItem(logoutBarButtonItem, animated: false)
+        navigationController?.navigationBar.topItem?.title = title
         
     }
     
     override func viewDidAppear(animated: Bool) {
         super.viewDidAppear(animated)
-        self.updateContentsFromServerUseInitiateRequest(0)
+        updateContentsFromServerUseInitiateRequest(0)
     }
     
     func updateContentsFromServerUseInitiateRequest(userDidInitiateRequest: Int) {

    // MARK: - TableViewDelegate
    
    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
        self.performSegueWithIdentifier("PushFolders", sender: self)
    }
    
    // MARK: - Navigation
    
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        if segue.identifier == "PushFolders" {
            let mailbox: POSMailbox = self.dataSource?.managedObjectAtIndexPath(self.tableView.indexPathForSelectedRow()!) as POSMailbox
            let folderViewController: POSFoldersViewController = segue.destinationViewController as POSFoldersViewController
            folderViewController.selectedMailBoxDigipostAdress = mailbox.digipostAddress
            POSModelManager.sharedManager().selectedMailboxDigipostAddress = mailbox.digipostAddress

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