Added sql updates 3.1.3-3.2.2a

--HG--
branch : trunk

sql/characters.sql

@@ -1089,6 +1089,7 @@ CREATE TABLE `groups` (
   `icon8` int(11) unsigned NOT NULL,
   `isRaid` tinyint(1) unsigned NOT NULL,
   `difficulty` tinyint(3) unsigned NOT NULL default '0',
+  `raiddifficulty` int(11) UNSIGNED NOT NULL default '0',
   PRIMARY KEY  (`leaderGuid`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=FIXED COMMENT='Groups';