Merge branch '2.7' into 2.8

* 2.7:
  Username and password in basic auth are allowed to contain '.'
  Remove obsolete PHPDoc from UriSigner
  [Serializer] ObjectNormalizer: throw if PropertyAccess isn't installed
  pdo session fix
  Fixed unsetting from loosely equal keys OrderedHashMap
  [Debug] Fix same vendor detection in class loader
  Updated the source text and translation
  reject remember-me token if user check fails

Author: fabpot

Constraints/UrlValidator.php

@@ -23,7 +23,7 @@ class UrlValidator extends ConstraintValidator
 {
     const PATTERN = '~^
             (%s)://                                 # protocol
-            (([\pL\pN-]+:)?([\pL\pN-]+)@)?          # basic auth
+            (([\.\pL\pN-]+:)?([\.\pL\pN-]+)@)?      # basic auth
             (
                 ([\pL\pN\pS-\.])+(\.?([\pL\pN]|xn\-\-[\pL\pN-]+)+\.?) # a domain name
                     |                                                 # or

Tests/Constraints/UrlValidatorTest.php

@@ -121,6 +121,9 @@ public function getValidUrls()
             array('http://xn--d1abbgf6aiiy.xn--p1ai/'),
             array('http://☎.com/'),
             array('http://username:password@symfony.com'),
+            array('http://user.name:password@symfony.com'),
+            array('http://username:pass.word@symfony.com'),
+            array('http://user.name:pass.word@symfony.com'),
             array('http://user-name@symfony.com'),
             array('http://symfony.com?'),
             array('http://symfony.com?query=1'),