Merge branch '2.7' into 2.8

* 2.7:
  [Console] SymfonyStyle : Fix blocks wordwrapping
  [Console] SymfonyStyle : Fix blocks output is broken on windows cmd
  [Validator] remove partial deprecation annotation
  Updated UPGRADE-2.4.md
  [Form] Support DateTimeImmutable in transform()
  Show the FormType and FormTypeExtension in case of deprecated use of setDefaultOptions
  [FrameworkBundle] Document form.csrf_provider service deprecation
  [Form] add test to avoid regression of #14891
  without this change allways the legacy code get called
  [Form] Fix call to removed method (BC broken in 2.3)
  Fix ask and askHidden methods
  [HttpFoundation] Get response content as resource several times for PHP >= 5.6
  Change error message to reflect SecurityContext deprecation.
  fixed merge
  Issue #14815
  [Console] SymfonyStyle : fix & automate block gaps.
  [Console] SymfonyStyle : Improve EOL consistency by relying on output instance
  Improved duplicated code in FileLocator

ExecutionContextInterface.php

@@ -91,15 +91,15 @@ interface ExecutionContextInterface
     /**
      * Adds a violation at the current node of the validation graph.
      *
+     * Note: the parameters $invalidValue, $plural and $code are deprecated since version 2.5 and will be removed in 3.0.
+     *
      * @param string   $message      The error message
      * @param array    $params       The parameters substituted in the error message
      * @param mixed    $invalidValue The invalid, validated value
      * @param int|null $plural       The number to use to pluralize of the message
      * @param int|null $code         The violation code
      *
      * @api
-     *
-     * @deprecated the parameters $invalidValue, $plural and $code are deprecated since version 2.5 and will be removed in 3.0.
      */
     public function addViolation($message, array $params = array(), $invalidValue = null, $plural = null, $code = null);