Add sshdport for per node (well, per jail) config since there can be

more than one jail on a node, in the same experiment. Will need a
similar field for the sfs server too ...

sql/database-create.sql

@@ -579,6 +579,7 @@ CREATE TABLE nodes (
   ipport_low int(11) NOT NULL default '11000',
   ipport_next int(11) NOT NULL default '11000',
   ipport_high int(11) NOT NULL default '20000',
+  sshdport int(11) NOT NULL default '11000',
   jailflag tinyint(3) unsigned NOT NULL default '0',
   PRIMARY KEY  (node_id)
 ) TYPE=MyISAM;