add reference and test for Zend OPcache extension
prepare next release that will support both PHP 5.3.24 and PHP 5.4.14
minor fix about Zend Opcache contribution by Remi Collet
update sphinx reference to 1.3.0
upgrade PHP_Reflect dependency
update memcache reference to 3.0.8
update OAuth reference to 1.2.3
PHP 5.3.24RC1 and PHP 5.4.14RC1 are already out
first snapshot of version 2.15.0
reference script generator do not need to have extension loaded (give a second chance to load on fly)