Make logging facility configurable

config.php.sample

@@ -36,6 +36,9 @@ $config['site']['path'] = 'laconica';
 // If you want logging sent to a file instead of syslog
 // $config['site']['logfile'] = '/tmp/laconica.log';
 
+// Change the syslog facility that Laconica logs to
+// $config['syslog']['facility'] = LOG_LOCAL7;
+
 // Enables extra log information, for example full details of PEAR DB errors
 // $config['site']['logdebug'] = true;