Core/Commands: added .debug areatriggers

-if turned on it will print the trigger id to chat if you get near it

--HG--
branch : trunk

src/server/game/Chat/Chat.h

@@ -171,6 +171,7 @@ class ChatHandler
         bool HandleDebugSpellCheckCommand(const char* args);
         bool HandleDebugUpdateCommand(const char* args);
         bool HandleDebugUpdateWorldStateCommand(const char* args);
+        bool HandleDebugAreaTriggers(const char* args);
 
         bool HandleDebugSet32Bit(const char* args);
         bool HandleDebugThreatList(const char * args);