Make specifying passwords for target and source databases optional.

misc-scripts/id_mapping/id_mapping.pl

@@ -101,12 +101,12 @@ $conf->parse_options(
   'sourcedbname=s' => 1,
   'sourcehost=s'   => 1,
   'sourceuser=s'   => 1,
-  'sourcepass=s'   => 1,
+  'sourcepass=s'   => 0,
   'sourceport=i'   => 1,
   'targetdbname=s' => 1,
   'targethost=s'   => 1,
   'targetuser=s'   => 1,
-  'targetpass=s'   => 1,
+  'targetpass=s'   => 0,
   'targetport=i'   => 1,
   'species_id'     => 0,
   'species_name'   => 0 );