Added henchman rental

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

_module/nss/69_hench_level.nss

@@ -0,0 +1,11 @@
+// * Henchman levels up
+#include "69_hench_lib"
+
+void main()
+{
+   object oPC = GetPCSpeaker();
+   if(GetCanLevelUp69(oPC, OBJECT_SELF))
+   {
+    LevelUpHenchman69(OBJECT_SELF, oPC);
+   }
+}