Merge branch '3.4' into 4.4

* 3.4:
  Fix more quotes in exception messages
  [3.4] Minor fixes
  [PropertyAccess] Improved errors when reading uninitialized properties

Author: fabpot

Core/User/UserInterface.php

@@ -23,7 +23,7 @@
  *
  * Regardless of how your users are loaded or where they come from (a database,
  * configuration, web service, etc.), you will have a class that implements
- * this interface. Objects that implement this interface are created and 
+ * this interface. Objects that implement this interface are created and
  * loaded by different objects that implement UserProviderInterface.
  *
  * @see UserProviderInterface

Guard/Firewall/GuardAuthenticationListener.php

@@ -222,7 +222,7 @@ private function triggerRememberMe(AuthenticatorInterface $guardAuthenticator, R
         }
 
         if (!$response instanceof Response) {
-            throw new \LogicException(sprintf('%s::onAuthenticationSuccess *must* return a Response if you want to use the remember me functionality. Return a Response, or set remember_me to false under the guard configuration.', \get_class($guardAuthenticator)));
+            throw new \LogicException(sprintf('"%s::onAuthenticationSuccess()" *must* return a Response if you want to use the remember me functionality. Return a Response, or set remember_me to false under the guard configuration.', \get_class($guardAuthenticator)));
         }
 
         $this->rememberMeServices->loginSuccess($request, $response, $token);