Merge branch '4.3' into 4.4

* 4.3:
  fix Debug component dependencies
  [travis] not all components have a master branch
  [HttpKernel] Add @method PHPDoc for getRequest and getResponse back to Client

Author: xabbuh

Client.php

@@ -23,6 +23,9 @@
 /**
  * Client simulates a browser and makes requests to an HttpKernel instance.
  *
+ * @method Request  getRequest()  A Request instance
+ * @method Response getResponse() A Response instance
+ *
  * @deprecated since Symfony 4.3, use HttpKernelBrowser instead.
  */
 class Client extends AbstractBrowser