Fixed support for PHP-5.3
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fixed support for PHP-5.3
Allow wilcards in opcache.blacklist_filename
Merge branch 'PHP-5.5'

* PHP-5.5:
  Allow wilcards in opcache.blacklist_filename
add external 2.1 detection and fix gd_compat for 2.1+
Merge branch 'PHP-5.3' into PHP-5.4

* PHP-5.3:
  add external 2.1 detection and fix gd_compat for 2.1+
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  add external 2.1 detection and fix gd_compat for 2.1+
Merge branch 'PHP-5.5'

* PHP-5.5:
  add external 2.1 detection and fix gd_compat for 2.1+
Merge branch 'master' of git.php.net:php-src