Fix cookie population
Fix cookie population

- PhpEnvironment\Request was not setting cookies from $_COOKIE by
  default; added this, fixing
  ZendTest\Mvc\ApplicationTest::testDefaultRequestObjectMirrorsCookieSuperglobal()

Maks3w/zend-http,zendframework/zend-http,malinink/zend-http,weierophinney/zend-http,netroby/zend-http,asgrim/zend-http