Merge branch '3.4' into 4.3

* 3.4: (21 commits)
  [SecurityBundle] fix return type declarations
  [BrowserKit] fix return type declarations
  [PropertyInfo] fix return type declarations
  [Bridge/Doctrine] fix return type declarations
  [Form] fix return type declarations
  [Console] fix return type declarations
  [Intl] fix return type declarations
  [Templating] fix return type declarations
  [DomCrawler] fix return type declarations
  [Validator] fix return type declarations
  [Process] fix return type declarations
  [Workflow] fix return type declarations
  [Cache] fix return type declarations
  [Serializer] fix return type declarations
  [Translation] fix return type declarations
  [DI] fix return type declarations
  [Config] fix return type declarations
  [HttpKernel] Fix return type declarations
  [Security] Fix return type declarations
  [Routing] Fix return type declarations
  ...

Author: nicolas-grekas

Tests/Authentication/Provider/DaoAuthenticationProviderTest.php

@@ -18,6 +18,9 @@
 
 class DaoAuthenticationProviderTest extends TestCase
 {
+    /**
+     * @group legacy
+     */
     public function testRetrieveUserWhenProviderDoesNotReturnAnUserInterface()
     {
         $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationServiceException');

Tests/Authentication/Provider/UserAuthenticationProviderTest.php

@@ -62,6 +62,9 @@ public function testAuthenticateWhenUsernameIsNotFoundAndHideIsTrue()
         $provider->authenticate($this->getSupportedToken());
     }
 
+    /**
+     * @group legacy
+     */
     public function testAuthenticateWhenProviderDoesNotReturnAnUserInterface()
     {
         $this->expectException('Symfony\Component\Security\Core\Exception\AuthenticationServiceException');