updated index template to 0.9
Added support for Ubuntu Trusty in xhprof playbook
Added support for Ubuntu Trusty in xdebug playbook
Added support for Ubuntu Trusty in php playbook. APC no longer being
installed in Trusty (replaced by opcache in PHP 5.5).
Fixed typo. memcache extension removed.
Added support for Ubuntu Trusty in mailcatcher playbook
Added enhanced check for PHP 5.5 and 5.6