Merge branch '2.8'

* 2.8: (31 commits)
  [DomCrawler] Invalid uri created from forms if base tag present
  [VarDumper] Add caster for OuterIterator objects
  [Console] update param type phpdoc for StreamOutput
  [Console] fix typo in OutputInterface
  Use stderr by default when a specific output is not injected
  fixed bad merge
  [Debug] Fix case mismatch detection
  [HttpKernel] Add entry point to more easily create/configure the DI extension
  [DX] Added a logout link in the security panel of the web debug toolbar
  [HttpKernel] fix broken multiline <esi:remove>
  [DoctrineBridge] Fixed #14840
  [FrameworkBundle] add a suggest for the serializer component
  fixed CS
  removed non-working tests
  [WIP] #15502 Make template shortcuts be usable without Templating component
  Redesigned the Symfony Profiler
  [Yaml] Fix the parsing of float keys
  Make the exception output visible even in quiet mode, fixes #15680
  Convert Output::write's type to an options arg where verbosity can be passed in as well
  [Console] Ensure the console output is only detected as decorated when both stderr and stdout support colors
  ...

Tests/Fixtures/bad_format.yml

@@ -0,0 +1,3 @@
+blog_show:
+	path:     /blog/{slug}
+	defaults: { _controller: "MyBundle:Blog:show" }

Tests/Loader/YamlFileLoaderTest.php

@@ -51,7 +51,15 @@ public function testLoadThrowsExceptionWithInvalidFile($filePath)
 
     public function getPathsToInvalidFiles()
     {
-        return array(array('nonvalid.yml'), array('nonvalid2.yml'), array('incomplete.yml'), array('nonvalidkeys.yml'), array('nonesense_resource_plus_path.yml'), array('nonesense_type_without_resource.yml'));
+        return array(
+            array('nonvalid.yml'),
+            array('nonvalid2.yml'),
+            array('incomplete.yml'),
+            array('nonvalidkeys.yml'),
+            array('nonesense_resource_plus_path.yml'),
+            array('nonesense_type_without_resource.yml'),
+            array('bad_format.yml'),
+        );
     }
 
     public function testLoadSpecialRouteName()