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

# By Dmitry Stogov
# Via Dmitry Stogov
* 'phpng' of git.php.net:php-src:
  Fixed WSDL attibute parsing
  fixed reference counting and memory leak
  Partial fix for XML references handling
  Fixed handling of compressed SOAP requests
  Fixed support for SOAP_PERSISTENCE_SESSION
  Fixed support for empty strings
  Buffer has to be reallocated on each loop iteration
  Support for IS_INDIRECT
  Buffer has to be reallocated on each loop iteration