Merge branch '2.8' into 3.0

* 2.8:
  [HttpFoundation] Warning when request has both Forwarded and X-Forwarded-For
  fixed test
  [Console] Decouple SymfonyStyle from TableCell

Author: fabpot

Resources/config/web.xml

@@ -38,5 +38,9 @@
             <argument type="service" id="request_stack" />
             <tag name="kernel.event_subscriber" />
         </service>
+
+        <service id="validate_request_listener" class="Symfony\Component\HttpKernel\EventListener\ValidateRequestListener">
+            <tag name="kernel.event_subscriber" />
+        </service>
     </services>
 </container>