Implement some more trigger event calls and command handlers (#989)

* Implement some trigger event calls
and command handlers

* add zone summary dimissed GM

* break and remove log

* some cleanup in Gather Targets
and blocking out

* fix default value of unlock for play cinematic

* Log on errors
add enum for physics effect type
simplify nipoint3 logic
check arg count
add enum for End behavior

* tryparse for nipoint3

* totally didn't forget to include it

* bleh c++ is blah

* ???

* address feedback

* Fix for #1028

dZoneManager/Spawner.h

@@ -61,6 +61,7 @@ public:
 	void AddEntitySpawnedCallback(std::function<void(Entity*)> callback);
 	void SetSpawnLot(LOT lot);
 	void Reset();
+	void DestroyAllEntities();
 	void SoftReset();
 	void SetRespawnTime(float time);
 	void SetNumToMaintain(int32_t value);