Merge branch '2.7' into 2.8

* 2.7:
  CS fixes
  Remove trailing space
  CS: apply rules
  [Yaml] Clean some messages + add test case
  [Form] Fix UrlType transforms valid protocols
  [SecurityBundle] Changed encoder configuration example to bcrypt

Author: nicolas-grekas

Tests/FormTest.php

@@ -188,7 +188,8 @@ public function testConstructor($message, $form, $values)
         $form = $this->createForm('<form>'.$form.'</form>');
         $this->assertEquals(
             $values,
-            array_map(function ($field) {
+            array_map(
+                function ($field) {
                     $class = get_class($field);
 
                     return array(substr($class, strrpos($class, '\\') + 1), $field->getValue());