Added henchman rental

Many areas, items, and creatures were adjusted for balance and aesthetics.

_module/nss/henchenheavy.nss

@@ -0,0 +1,8 @@
+#include "hench_i0_equip"
+
+void main()
+{
+    HenchSetAssociateInt(sHenchLightOffHand, FALSE);
+    ClearWeaponStates();
+    HenchEquipDefaultWeapons(OBJECT_SELF, TRUE);
+}