Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Dmitry Stogov (3) and others
# Via Christopher Jones (6) and Dmitry Stogov (2)
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Fixed bug #62691 (solaris sed has no -i switch) Make 'make distclean' remove generated DTrace .h file
  Improved fix for bug #44686 (SOAP-ERROR: Parsing WSDL)
  Fixed bug #65018 (SoapHeader problems with SoapServer)
  Added opcache.restrict_api configuration directive that may limit usage of OPcahce API functions only to patricular script(s)
  MFH: fixed #65045: mb_convert_encoding breaks well-formed character.
  Fixed bug #65336