Core/DBLayer:

- Implement deriviate classes of MySQLConnection for every database type (world, realm, characters)
- Make DatabaseWorkerPool templatized and use the above mentioned classes as parameter
- Implementation of the new types in code
(This is in preparation of prepared statement interface)

--HG--
branch : trunk

src/server/game/Instances/InstanceSaveMgr.h

@@ -181,7 +181,7 @@ class InstanceSaveManager
         void _ResetOrWarnAll(uint32 mapid, Difficulty difficulty, bool warn, uint32 timeleft);
         void _ResetInstance(uint32 mapid, uint32 instanceId);
         void _ResetSave(InstanceSaveHashMap::iterator &itr);
-        void _DelHelper(DatabaseType &db, const char *fields, const char *table, const char *queryTail,...);
+        void _DelHelper(const char *fields, const char *table, const char *queryTail,...);
         // used during global instance resets
         bool lock_instLists;
         // fast lookup by instance id