Merge branch '2.6' into 2.7

* 2.6:
  [2.6][Validator] Fix BC for Validator's validate method
  Very small typo fix
  Fix quoting style consistency.
  [DependencyInjection] Fail when dumping a Definition with no class nor factory
  Normalizing recursively - see #9096
  No change - the normalizeParams is a copy-and-paste of the earlier logic
  fixes issue with logging array of non-utf8 data
  fix validation for Maestro UK card numbers

Conflicts:
	src/Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener.php
	src/Symfony/Component/Validator/Validator/LegacyValidator.php

Author: fabpot

Annotation/Route.php

@@ -48,7 +48,7 @@ public function __construct(array $data)
         foreach ($data as $key => $value) {
             $method = 'set'.str_replace('_', '', $key);
             if (!method_exists($this, $method)) {
-                throw new \BadMethodCallException(sprintf("Unknown property '%s' on annotation '%s'.", $key, get_class($this)));
+                throw new \BadMethodCallException(sprintf('Unknown property "%s" on annotation "%s".', $key, get_class($this)));
             }
             $this->$method($value);
         }