manual nmap scan

a little less PHP/POST and a little more JS. the nmap scan now also works via the presence page

front/php/server/nmap_scan.php

@@ -2,6 +2,7 @@
 
 $PIA_HOST_IP = $_REQUEST['scan'];
 exec('nmap '.$PIA_HOST_IP, $output);
+echo 'Scan Results of the target: '.$PIA_HOST_IP;
 echo '<pre style="border: none;">'; 
 foreach($output as $line){
     echo $line . "\n";