Fix symfony2

Makes symfony2 and symfony2-stripped pass verification. Also improves fortune diff output, removes the `php-` prefix from the symfony folders, and minor other items

The main problem with symfony2 was that it was using the APC cache for caching php compilation and configuration parsing, which has been replaced by the built-in Zend opcache in PHP 5.5. Note that opcache is just for opcode (e..g php compilation) caching, so this PR disables configuration file caching. If someone wants to setup APCu, memcached, etc to do the config file caching that would be appreciated