Update UPGRADING.
Add more descriptions about default_charset and encoding related changes.
Many thanks to Christopher.
Add support for PCRE marks

If a MARK is set then it will be returned in the $matches array
unter key "MARK". If no MARK is used or passed, the key will not
be set.
Merge branch 'PHP-5.6'
Fixed typo in UPGRADING and modified php.ini-* description for encoding related changes
Merge branch 'PHP-5.6'

* PHP-5.6:
 Modified php.ini-* description for encoding related changes
Fixed off-by-one in php_url_parse_ex

Change order of condition, previously pointer could be derefrenced before
bound check was done.
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  Fixed off-by-one in php_url_parse_ex

Conflicts:
	ext/standard/url.c
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fixed off-by-one in php_url_parse_ex
Fix phpdbg build on FreeBSD

Added missing netinet/in.h header.
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fixed off-by-one in php_url_parse_ex
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fix phpdbg build on FreeBSD
  Fixed off-by-one in php_url_parse_ex
Fixed wrong indentation
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed wrong indentation
Add a test
Merge branch 'PHP-5.5' into PHP-5.6
Merge branch 'PHP-5.6'
- Updated to version 2014.1 (2014a)
Merge branch 'PHP-5.4' into PHP-5.5
Merge branch 'PHP-5.5' into PHP-5.6
Merge branch 'PHP-5.6'