Core/Authserver: Added possibility to allow realm connections both from "world" and local networks.

sql/base/auth_database.sql

@@ -193,6 +193,8 @@ CREATE TABLE `realmlist` (
   `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `name` varchar(32) NOT NULL DEFAULT '',
   `address` varchar(255) NOT NULL DEFAULT '127.0.0.1',
+  `localAddress` varchar(255) NOT NULL DEFAULT '127.0.0.1',
+  `localSubnetMask` varchar(255) NOT NULL DEFAULT '255.255.255.0',
   `port` smallint(5) unsigned NOT NULL DEFAULT '8085',
   `icon` tinyint(3) unsigned NOT NULL DEFAULT '0',
   `flag` tinyint(3) unsigned NOT NULL DEFAULT '2',

sql/updates/auth/2013_01_27_00_auth_realmlist.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `realmlist`
+  ADD `localAddress` varchar(255) NOT NULL DEFAULT '127.0.0.1' AFTER `address`,
+  ADD `localSubnetMask` varchar(255) NOT NULL DEFAULT '255.255.255.0' AFTER `localAddress`;