Merge branch '2.8' into 3.0

* 2.8:
  fixed CS
  fixed CS
  fixed test
  fixed CS
  Remove default match from AbstractConfigCommand::findExtension
  [FrameworkBundle][Validator] Fix apc cache service deprecation

Author: fabpot

Serializer.php

@@ -249,7 +249,6 @@ private function denormalizeObject($data, $class, $format, array $context = arra
         foreach ($this->normalizers as $normalizer) {
             if ($normalizer instanceof DenormalizerInterface
                 && $normalizer->supportsDenormalization($data, $class, $format)) {
-
                 return $normalizer->denormalize($data, $class, $format, $context);
             }
         }

Tests/Normalizer/PropertyNormalizerTest.php

@@ -439,4 +439,3 @@ class StaticPropertyDummy
 {
     private static $property = 'value';
 }
-