Merge branch '2.3' into 2.7

* 2.3:
  Typo fix
  [2.3] Static Code Analysis for Components
  Added support \IteratorAggregate for UniqueEntityValidator
  Fix #17306 Paths with % in it are note allowed (like urlencoded)
  Added sort order SORT_STRING for params in UriSigner
  Remove normalizer cache in Serializer class

Author: fabpot

DependencyInjection/FrameworkExtension.php

@@ -685,17 +685,17 @@ private function registerTranslatorConfiguration(array $config, ContainerBuilder
 
             $dirs[] = dirname($r->getFileName()).'/../Resources/translations';
         }
-        $overridePath = $container->getParameter('kernel.root_dir').'/Resources/%s/translations';
+        $rootDir = $container->getParameter('kernel.root_dir');
         foreach ($container->getParameter('kernel.bundles') as $bundle => $class) {
             $reflection = new \ReflectionClass($class);
             if (is_dir($dir = dirname($reflection->getFileName()).'/Resources/translations')) {
                 $dirs[] = $dir;
             }
-            if (is_dir($dir = sprintf($overridePath, $bundle))) {
+            if (is_dir($dir = $rootDir.sprintf('/Resources/%s/translations', $bundle))) {
                 $dirs[] = $dir;
             }
         }
-        if (is_dir($dir = $container->getParameter('kernel.root_dir').'/Resources/translations')) {
+        if (is_dir($dir = $rootDir.'/Resources/translations')) {
             $dirs[] = $dir;
         }