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

Tests/OptionsResolverTest.php

@@ -1102,7 +1102,7 @@ public function testCatchedExceptionFromNormalizerDoesNotCrashOptionResolver()
         $this->resolver->setNormalizer('catcher', function (Options $options) {
             try {
                 return $options['thrower'];
-            } catch(\Exception $e) {
+            } catch (\Exception $e) {
                 return false;
             }
         });
@@ -1126,7 +1126,7 @@ public function testCatchedExceptionFromLazyDoesNotCrashOptionResolver()
         $this->resolver->setDefault('catcher', function (Options $options) {
             try {
                 return $options['thrower'];
-            } catch(\Exception $e) {
+            } catch (\Exception $e) {
                 return false;
             }
         });