Add schema default/fixed value support

Added support for adding fixed/default values during XSD validation
and added/updated associated tests
Merge branch 'PHP-5.3' of https://git.php.net/repository/php-src into PHP-5.3

# By Johannes Schlüter
# Via Christopher Jones (1) and Johannes Schlüter (1)
* 'PHP-5.3' of https://git.php.net/repository/php-src:
  Merge PHP 5.3.27 NEWS
  add test for bug #65236
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Dmitry Stogov
# Via Dmitry Stogov
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Merge from GitHub
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Dmitry Stogov (5) and Rui Hirokawa (2)
# Via Dmitry Stogov (3) and others
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Fixed php-5.2 support
  added test script for bug65045.
  MFH: fixed #65045: mb_convert_encoding breaks well-formed character.
  Added support for glob symbols in blacklist entries (?, *, **)
  Improved implementation of NOP removal pass from O(n^2) to O(n) (hnw)
  A minor fix for configure outpu (Tony)
  Fixed bug #65338 (Enabling both php_opcache and php_wincache AVs on shutdown).
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
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Clean up the 'generated' phar.inc file. When building outside the source tree the copied phar.inc needs to be removed, but when building in the tree, the file must remain since it is part of the source. See the copying logic in ext/phar/Makefile.frag.
  Revert "Allow 'make distclean' to clean up the 'generated' phar.inc"
  Use PHP's major version when cleaning up Apache .module files
  Allow 'make distclean' to clean up the 'generated' phar.inc
  Give 'make distclean' some love. Clean files created by AC_OUTPUT, shell redirection etc.
Check for NULL ptr from get_stream() before passing it on to php_stream_cast()
Merge branch 'PHP-5.5'
Merge branch 'PHP-5.4'
Add an empty make command for DTrace .d files to stop an implicit
circular dependency in GNU Make which causes .d files to be
overwritten (Bug 61268)
Merge branch 'PHP-5.5'

* PHP-5.5:
  Merge branch 'PHP-5.5'
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Add an empty make command for DTrace .d files to stop an implicit circular dependency in GNU Make which causes .d files to be overwritten (Bug 61268)
  Merge branch 'PHP-5.4'

Conflicts:
	ext/mysqlnd/mysqlnd.c
Merge branch 'PHP-5.5'

* PHP-5.5:
  Add an empty make command for DTrace .d files to stop an implicit circular dependency in GNU Make which causes .d files to be overwritten (Bug 61268)
  Merge branch 'PHP-5.4'
Fixed bug #63706: Cannot build PHP-5.5 with --enable-dtrace on Fedora 17
Enable dtrace probes on linux as they are compatible with systemtap

You can build php with dtrace probes enabled on linux if you have
systemtap with uprobes.
Fixed bug #62691 (solaris sed has no -i switch)
Make 'make distclean' remove generated DTrace .h file
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fixed bug #62691 (solaris sed has no -i switch) Make 'make distclean' remove generated DTrace .h file
  Enable dtrace probes on linux as they are compatible with systemtap
  Fixed bug #63706: Cannot build PHP-5.5 with --enable-dtrace on Fedora 17

Conflicts:
	Makefile.global
NEWS for recent DTrace merges.
Remove redundant 'cp' during DTrace install.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  NEWS for recent DTrace merges. Remove redundant 'cp' during DTrace install.
Merge branch 'PHP-5.5'

* PHP-5.5:
  NEWS for recent DTrace merges. Remove redundant 'cp' during DTrace install.
  Fixed bug #62691 (solaris sed has no -i switch) Make 'make distclean' remove generated DTrace .h file
  Enable dtrace probes on linux as they are compatible with systemtap
  Fixed bug #63706: Cannot build PHP-5.5 with --enable-dtrace on Fedora 17