[svn] * Improve some arena team related DB access

* Cache GM tickets on server startup.
* Remove unused src/game/HateMatrix.h and references.
* Better check client inventory pos data received in some client packets to
skip invalid cases

--HG--
branch : trunk

src/game/Chat.h

@@ -465,7 +465,6 @@ class ChatHandler
 
         // Utility methods for commands
         void ShowTicket(uint64 guid, char const* text, char const* time);
-        uint32 GetTicketIDByNum(uint32 num);
         bool LookupPlayerSearchCommand(QueryResult* result, int32 limit);
 		bool HandleBanListHelper(QueryResult* result);
 		bool HandleBanHelper(BanMode mode,char const* args);