Implemented standardized zone controller scripts (Rule Zone, UseZoneController) Defaulted to true

- When a zone boots, it will spawn an invisible npc by the name of zone_controller
	- Lua and Perl scripts can be represented with this npc as zone_controller.pl/lua
	- This NPC's ID is ruled be define ZONE_CONTROLLER_NPC_ID 10
	- Two EVENT's uniquely are handled with this NPC/controller (They only work with the zone_controller NPC)
		- EVENT_SPAWN_ZONE :: All NPC spawns in the zone trigger the controller and pass the following variables:
			$spawned_entity_id
			$spawned_npc_id
		- EVENT_DEATH_ZONE :: All NPC deaths in the zone trigger the controller event and pass the following variables:
			$killer_id
			$killer_damage
			$killer_spell
			$killer_skill
			$killed_npc_id

zone/event_codes.h

@@ -83,7 +83,8 @@ typedef enum {
 	EVENT_DEATH_COMPLETE,
 	EVENT_UNHANDLED_OPCODE,
 	EVENT_TICK,
-
+	EVENT_SPAWN_ZONE,
+	EVENT_DEATH_ZONE,
 	_LargestEventID
 } QuestEventID;