Merge branch 'phpng' of git.php.net:php-src into phpng

# By Dmitry Stogov (5) and Xinchen Hui (3)
# Via Xinchen Hui (3) and Dmitry Stogov (2)
* 'phpng' of git.php.net:php-src:
  Fixed signed
  Refactoring socket (only compilable now)
  it make no sense to create a reference to object
  Initialize zvals
  Fixed <any> with XML references
  Refactored shmop
  Fixed pointer mess (use * instead of **)
  Fixed support for XML references