Merge branch 'PHP-5.4' of https://git.php.net/push/php-src into PHP-5.4

* 'PHP-5.4' of https://git.php.net/push/php-src:
  - Fixed bug #65818 (Segfault with built-in webserver and chunked transfer encoding)
  - BFN
  Fix bug #65667: ftp_nb_continue produces segfault
  fix bug #64146 (serialize incorrectly saving objects when they are cloned)
  such a weird hack probably helps in finding regressions in the future
  Fixed bug #64230 (XMLReader does not suppress errors)
  typo: really fix bug #51936 	Crash with clone xmlreader
  fix bug #59613 (Crash with clone XMLReader)
  fix bug #65808 	the socket_connect() won't work with IPv6 address
  5.4.22-dev now
  fix bug #62396 'make test' crashes starting with 5.3.14 (missing gzencode())
  Fixed bug #61548
  fix test
  fix memleak on resetting rebind_proc
  Fix bug #65322: compile time errors won't trigger auto loading
  5.4.20 release date
  Add information about which INI file is which inside respective files
  - Updated to version 2013.6 (2013f)