Logging middleware containers the message class and uses the message channel

Author: sroze

src/Symfony/Bundle/FrameworkBundle/Resources/config/message.xml

@@ -19,6 +19,7 @@
             <argument type="service" id="logger" />
 
             <tag name="message_middleware" priority="10" />
+            <tag name="monolog.logger" channel="message" />
         </service>
 
         <!-- Handlers -->