Core/SQL: Add commentfield in battleground_template

Support-data found on TDB : http://forum.trinitycore.org/forum/122-core-related-db-content/

--HG--
branch : trunk

sql/base/world_database.sql

@@ -241,6 +241,7 @@ CREATE TABLE `battleground_template` (
   `AllianceStartO` float NOT NULL,
   `HordeStartLoc` mediumint(8) unsigned NOT NULL,
   `HordeStartO` float NOT NULL,
+  `Comment` char(32) NOT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;

sql/updates/9108_world_battleground_template.sql

@@ -0,0 +1 @@
+ALTER TABLE `battleground_template` ADD `Comment` CHAR(32) NOT NULL ;