Horsefly Swamp update

Creatures & encounter tables to support Horsefly swamp expansion.

_module/nss/frostfire.nss

@@ -0,0 +1,8 @@
+void main()
+{
+    //Set and apply AOE object
+    effect eAOE = EffectDamageShield(0,DAMAGE_BONUS_1d6,DAMAGE_TYPE_COLD);
+    eAOE = SupernaturalEffect(eAOE);
+    eAOE = ExtraordinaryEffect(eAOE);
+    ApplyEffectToObject(DURATION_TYPE_PERMANENT, eAOE, OBJECT_SELF);
+}