Merge branch '3.3' into 3.4

Author: Tobion

composer.json

@@ -30,8 +30,7 @@
         "symfony/polyfill-intl-icu": "~1.0",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/polyfill-php56": "~1.0",
-        "symfony/polyfill-php70": "~1.6",
-        "symfony/polyfill-util": "~1.0"
+        "symfony/polyfill-php70": "~1.6"
     },
     "replace": {
         "symfony/asset": "self.version",

src/Symfony/Component/Security/composer.json

@@ -22,7 +22,6 @@
         "symfony/http-kernel": "~3.3|~4.0",
         "symfony/polyfill-php56": "~1.0",
         "symfony/polyfill-php70": "~1.0",
-        "symfony/polyfill-util": "~1.0",
         "symfony/property-access": "~2.8|~3.0|~4.0"
     },
     "replace": {