Rewrite much of the GM ticket system

* Extract storage and manipulation of tickets to TicketMgr (from ObjectMgr)
* Extract ticket commands to TicketCommands.cpp
* Adds support for sending GM responses and GM surveys.
* Fix structure of several ticket-related packets.
* Add support for understanding lag reports.
* Thanks Zor for some of the packet structures, and Cyrax for some sniffs
* Please report any issues encountered via the tracker.

--HG--
branch : trunk

src/server/game/Chat/Chat.h

@@ -566,6 +566,7 @@ class ChatHandler
         bool HandleGMTicketListCommand(const char* args);
         bool HandleGMTicketListOnlineCommand(const char* args);
         bool HandleGMTicketListClosedCommand(const char* args);
+        bool HandleGMTicketListEscalatedCommand(const char* args);
         bool HandleGMTicketGetByIdCommand(const char* args);
         bool HandleGMTicketGetByNameCommand(const char* args);
         bool HandleGMTicketCloseByIdCommand(const char* args);
@@ -574,6 +575,11 @@ class ChatHandler
         bool HandleGMTicketCommentCommand(const char* args);
         bool HandleGMTicketDeleteByIdCommand(const char* args);
         bool HandleGMTicketReloadCommand(const char*);
+        bool HandleToggleGMTicketSystem(const char* args);
+        bool HandleGMTicketEscalateCommand(const char* args);
+        bool HandleGMTicketCompleteCommand(const char* args);
+        bool HandleGMTicketResponseAppendCommand(const char* args);
+        bool HandleGMTicketResponseAppendLnCommand(const char* args);
 
         bool HandleMaxSkillCommand(const char* args);
         bool HandleSetSkillCommand(const char* args);