*Allow ItemExpire events to be scripted.

*Add .debug itemexpire command
*Add script for Disgusting Jar and Mysterious Egg - original patch by Elron.

--HG--
branch : trunk

src/game/Chat.h

@@ -144,6 +144,7 @@ class ChatHandler
         bool HandleDebugMod32ValueCommand(const char* args);
         bool HandleDebugSetAuraStateCommand(const char * args);
         bool HandleDebugSetItemFlagCommand(const char * args);
+        bool HandleDebugItemExpireCommand(const char * args);
         bool HandleDebugSetVehicleId(const char * args);
         bool HandleDebugEnterVehicle(const char * args);
         bool HandleDebugSetValueCommand(const char* args);