Php 5.4 adjustment: removed allow_call_time_pass_reference

PHP Fatal error:  Directive 'allow_call_time_pass_reference' is no longer available in PHP in Unknown on line 0

PHP 5.4.4-14+deb7u7 (cli) (built: Dec 12 2013 08:42:07) 
Copyright (c) 1997-2012 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2012 Zend Technologies

http://ch1.php.net/manual/en/ini.core.php#ini.allow-call-time-pass-reference