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

# By Xinchen Hui (27) and others
# Via Xinchen Hui (5) and others
* 'phpng' of git.php.net:php-src: (47 commits)
  Refactor MySQLi (incompleted, only compilable now)
  Add support for pspell
  update for phpng
  Test push (previous push didn't send mail?)
  Added smart_string to avoid string duplicated
  Use strpprintf
  Added vstrpprintf strpprintf to avoid duplicate string
  Refactor sysvsem, sysvshm, sysmsg
  Fix identical comparison of arrays with references
  Fix strtr() segfault
  Code cleanup in proc_open
  Finish ext/curl (7 tests fails as trunk)
  Fixed post data (long type cast matters here :<)
  Use zend_string for better performance
  Fixed clone refcount
  Fixed build with high version libcurl
  Refactoring ext/curl (only compilable now)
  Fix proc_open resource destruction
  Support for ext/phar (incomplete)
  Finish bz2 (all tests passed)
  ...