Merge branch '3.1'

* 3.1:
  [Console] SymfonyStyle: Fix alignment/prefixing of multi-line comments
  [Routing] Finish annotation loader taking a class constant as a beginning of a class name
  [Routing] Fix the annotation loader taking a class constant as a beginning of a class name

Author: fabpot

Console/Descriptor/TextDescriptor.php

@@ -331,7 +331,7 @@ protected function describeContainerDefinition(Definition $definition, array $op
      */
     protected function describeContainerAlias(Alias $alias, array $options = array())
     {
-        $options['output']->comment(sprintf("This service is an alias for the service <info>%s</info>\n", (string) $alias));
+        $options['output']->comment(sprintf('This service is an alias for the service <info>%s</info>', (string) $alias));
     }
 
     /**