* Implemented WUPDATE_CLEANDB timer to clean logs table of old entries.

* New config option: LogDB.Opt.ClearInterval - time in minutes between each call to cleanup.
* New config option: LogDB.Opt.ClearTime - maximum time in seconds to keep old log entries.

--HG--
branch : trunk

src/game/World.h

@@ -68,6 +68,7 @@ enum WorldTimers
     WUPDATE_UPTIME      = 4,
     WUPDATE_CORPSES     = 5,
     WUPDATE_EVENTS      = 6,
+    WUPDATE_CLEANDB     = 7,
     WUPDATE_COUNT       = 7
 };
 
@@ -224,6 +225,8 @@ enum WorldConfigs
     CONFIG_CHATLOG_GUILD,
     CONFIG_CHATLOG_PUBLIC,
     CONFIG_CHATLOG_ADDON,
+    CONFIG_LOGDB_CLEARINTERVAL,
+    CONFIG_LOGDB_CLEARTIME,
     CONFIG_VALUE_COUNT
 };