Merge branch '2.4' into 2.5

* 2.4:
  Minor doc fix.
  Simplified the way to update PHPUnit to the latest version
  [Process] Minor README update
  [HttpFoundation] Basic auth in url is broken when using PHP CGI/FPM
  Fixed a html error "Element ul is not closed" in logger.html.twig
  [HttpFoundation] Officialize the 308 redirect RFC
  Officialize the 308 redirect RFC
  issue #10808 crawler test
  Empty select with attribute name="foo[]" bug fix
  Fixed contextually wrong translation

Author: fabpot

Resources/translations/validators.tr.xlf

@@ -88,7 +88,7 @@
             </trans-unit>
             <trans-unit id="22">
                 <source>This value should not be blank.</source>
-                <target>Bu değer boşluk olamaz.</target>
+                <target>Bu değer boş bırakılmamalıdır.</target>
             </trans-unit>
             <trans-unit id="23">
                 <source>This value should not be null.</source>