Make items with long reuse timers show the timer after zone

This adds a new table to store the timers in. This may seem
odd but the timers are associated with the player, not the
item, they're just included in the item header in the packet

Currently trading still needs to be handled

common/ptimer.h

@@ -79,6 +79,7 @@ public:
 	inline const uint32 GetTimerTime() const { return timer_time; }
 	inline const uint32 GetStartTime() const { return start_time; }
 	inline const pTimerType GetType() const { return _type; }
+	inline const uint32 GetReadyTimestamp() const { return start_time + timer_time; }
 
 	inline bool Enabled() { return enabled; }