Merge branch '3.3' into 3.4

* 3.3:
  [3.3] More docblock fixes
  [2.7] More docblock fixes

Author: nicolas-grekas

Cookie.php

@@ -80,10 +80,6 @@ public function __construct($name, $value, $expires = null, $path = null, $domai
 
     /**
      * Returns the HTTP representation of the Cookie.
-     *
-     * @return string The HTTP representation of the Cookie
-     *
-     * @throws \UnexpectedValueException
      */
     public function __toString()
     {