* Implemented DB cleaning on startup

* Must be enabled in conf AND set in worldstates for what you want to clean
* CLEANING_FLAG_ACHIEVEMENT_PROGRESS  = 0x1,
* CLEANING_FLAG_SKILLS                = 0x2,
* CLEANING_FLAG_SPELLS                = 0x4,
* CLEANING_FLAG_TALENTS               = 0x8
* Set to 0xF to clean all 4
* Patch by hunuza

--HG--
branch : trunk

sql/base/characters_database.sql

@@ -1976,7 +1976,8 @@ LOCK TABLES `worldstates` WRITE;
 INSERT INTO `worldstates` (`entry`,`value`, `comment`) VALUES 
 (20001, 0, 'NextArenaPointDistributionTime'),
 (20002, 0, 'NextWeeklyQuestResetTime'),
-(20003, 0, 'NextBGRandomDailyResetTime');
+(20003, 0, 'NextBGRandomDailyResetTime'),
+(20004, 0, 'cleaning_flags');
 /*!40000 ALTER TABLE `worldstates` ENABLE KEYS */;
 UNLOCK TABLES;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;