more port to phpng, zend_string and hash, work in progress
Merge branch 'phpng' of git.php.net:php-src into phpng

# By Xinchen Hui
# Via Xinchen Hui
* 'phpng' of git.php.net:php-src:
  Fixed Hash API usage (it's in comments)
  Fixed Zend Hash API usage (although it's in comments)
  Fixed several tests failes