View difference between Paste ID: fxPBbQ1y and h9zM88BN

 //
 //  SignUpViewController.swift
 //  Culpability
 //
 //  Created by Lazar Nikolov on 2/26/16.
 //  Copyright © 2016 Lazar Nikolov. All rights reserved.
 //
 
 import UIKit
 
 class SignUpViewController: UIViewController {
 
     @IBOutlet weak var tfUsername: UITextField!
     @IBOutlet weak var tfPassword: UITextField!
     @IBOutlet weak var tfConfirmPassword: UITextField!
 
     override func viewDidLoad() {
         super.viewDidLoad()
 
         NSNotificationCenter.defaultCenter().addObserver(self, selector: Selector("keyboardWillShow:"), name: UIKeyboardWillShowNotification, object: nil)
         NSNotificationCenter.defaultCenter().addObserver(self, selector: Selector("keyboardWillHide:"), name: UIKeyboardWillHideNotification, object: nil)
 
     }
 
-    func textFieldShouldReturn(textField: UITextField) -> Bool {
+
-        if textField == tfUsername {
+
-            tfPassword.becomeFirstResponder()
+
-        } else if textField == tfPassword {
+
-            tfConfirmPassword.becomeFirstResponder()
+
-        } else if textField == tfConfirmPassword {
+
-            self.view.endEditing(true)
+
                     let verticalDifference = usernameBottomY - (self.view.frame.height - keyboardSize.height)
-        return true
+
                         self.view.frame.origin.y -= verticalDifference
                     })
                 }
             } else if self.tfPassword.isFirstResponder() {
                 let passwordBottomY = self.tfPassword.frame.origin.y + self.tfPassword.frame.height
 
                 if passwordBottomY <= self.view.frame.height && passwordBottomY >= (self.view.frame.height - keyboardSize.height) {
                     // Scroll it
                     let verticalDifference = passwordBottomY - (self.view.frame.height - keyboardSize.height)
                     UIView.animateWithDuration(0.3, animations: {
                         self.view.frame.origin.y -= verticalDifference
                     })
                 }
             } else if self.tfConfirmPassword.isFirstResponder() {
                 let confirmPasswordBottomY = self.tfConfirmPassword.frame.origin.y + self.tfConfirmPassword.frame.height
 
                 if confirmPasswordBottomY <= self.view.frame.height && confirmPasswordBottomY >= (self.view.frame.height - keyboardSize.height) {
                     // Scroll it
                     let verticalDifference = confirmPasswordBottomY - (self.view.frame.height - keyboardSize.height)
                     UIView.animateWithDuration(0.3, animations: {
                         self.view.frame.origin.y -= verticalDifference
                     })
                 }
             }
         }
     }
 
     func keyboardWillHide(notification: NSNotification) {
         if self.view.frame.origin.y < 0 {
             UIView.animateWithDuration(0.3, animations: {
                 self.view.frame.origin.y = 0
             })
         }
     }
 }