add minimum php-version 5.3.3 to installer and updater

Florian Schaal

2015-12-20 cc45abdf3685e95a8ad06c88054683458320d08d

 install/update.php

@@ -174,6 +174,7 @@
$conf['ispconfig_log_priority'] = $conf_old["log_priority"];

$inst = new installer();
if (!$inst->get_php_version()) die('ISPConfig requieres PHP '.$inst->min_php."\n");
$inst->is_update = true;

//** Detect the installed applications