Core/Players: Added support for single character bans

Core/Commands: Renamed .ban character to .ban playeraccount (.ban character will ban only the player, not account)

This revision reaches 10000, congratulations and thanks to everyone who contributed!

--HG--
branch : trunk

sql/updates/10000_characters_character_banned.sql

@@ -0,0 +1,10 @@
+DROP TABLE IF EXISTS `character_banned`;
+CREATE TABLE `character_banned` (
+  `guid` int(11) NOT NULL default '0' COMMENT 'Account id',
+  `bandate` bigint(40) NOT NULL default '0',
+  `unbandate` bigint(40) NOT NULL default '0',
+  `bannedby` varchar(50) NOT NULL,
+  `banreason` varchar(255) NOT NULL,
+  `active` tinyint(4) NOT NULL default '1',
+  PRIMARY KEY  (`guid`,`bandate`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC COMMENT='Ban List';