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-5.4' of https://git.php.net/repository/php-src into PHP-5.4

# By Anatol Belski (8) and others
# Via Anatol Belski (2) and others
* 'PHP-5.4' of https://git.php.net/repository/php-src: (44 commits)
  fixed possible null deref
  - addressed bug #65159, Misleading configure help text for --with-mysql-sock
  Update news for FILTER_SANITIZE_FULL_SPECIAL_CHARS fix
  Wrong value for FILTER_SANITIZE_FULL_SPECIAL_CHARS in REGISTER_LONG_CONSTANT
  Fixed bug #65304 (Use of max int in array_sum)
  Reorder NEWS
  Fixed bug #65291 - get_defined_constants() crash with __CLASS__ in trait
  Fixed bug #65291 - get_defined_constants() crash with __CLASS__ in trait
  Properly fixed bug #63186 on NetBSD == 6.0
  Improve php.ini-* documentation
  5.4.19 is next
  Fixed bug #50308 - session id not appended properly for empty anchor tags
  Fix bug #62129 - rfc1867 crashes php even though turned off
  add news for xml fix
  fix TS build
  added sapi check for dl() test
  Make zval2myslqnd implementations aware of inheritance
  Fixed typo ensuring header str is \0 terminated
  fix buffer overrun
  fix invalid variable name at ext/spl/internal/multipleiterator.inc (key() method, too)
  ...
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

# By Xinchen Hui (2) and others
# Via Stanislav Malyshev (1) and Xinchen Hui (1)
* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Upper section name
  Fixed bug #65328 (Segfault when getting SplStack object Value)
  Fix compiler warning on redefined constant
  fixed bug #65311 testsuite failure due to incomplete fix to bug28985.phpt
  fix bug #65028 	Phar::buildFromDirectory creates corrupt archives for some specific contents
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Upper section name
  Fixed bug #65328 (Segfault when getting SplStack object Value)
Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

* 'PHP-5.4' of https://git.php.net/repository/php-src:
Fixed bug #65336
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
make simplexml headers available to the outta world
Constify streams API and a few other calls down the rabbit hole.
(`char *` to `const char *` for parameters and few return values)
In a few places int len moved to size_t len.
Fixed bug #65338 (Enabling both php_opcache and php_wincache AVs on shutdown).
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fixed bug #65338 (Enabling both php_opcache and php_wincache AVs on shutdown).

Conflicts:
	NEWS
A minor fix for configure outpu (Tony)
Merge branch 'PHP-5.5'

* PHP-5.5:
  A minor fix for configure outpu (Tony)
Improved implementation of NOP removal pass from O(n^2) to O(n) (hnw)
Merge branch 'PHP-5.5'

* PHP-5.5:
  Improved implementation of NOP removal pass from O(n^2) to O(n) (hnw)
Remove tabs on blanklines in Makefile sources. This prevents a
'suspicious line' warning when editing & saving Makefile using Emacs.
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:
  Improved implementation of NOP removal pass from O(n^2) to O(n) (hnw)
  A minor fix for configure outpu (Tony)
Merge branch 'master' of https://git.php.net/repository/php-src

* 'master' of https://git.php.net/repository/php-src:
  Improved implementation of NOP removal pass from O(n^2) to O(n) (hnw)
  A minor fix for configure outpu (Tony)
Added support for glob symbols in blacklist entries (?, *, **)