fixes to billing. add realtime graphs for port bits.

git-svn-id: http://www.observium.org/svn/observer/trunk@2424 61d68cd4-352d-0410-923a-c4978735b2b8

includes/functions.php

@@ -37,7 +37,6 @@ function only_alphanumeric($string)
 function logfile($string)
 {
   global $config;
-
   $fd = fopen($config['log_file'],'a');
   fputs($fd,$string . "\n");
   fclose($fd);