Added henchman rental

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

_module/nss/hench_summon_off.nss

@@ -0,0 +1,9 @@
+// Auldar: Used to prevent henchmen from summoning in battle
+
+#include "hench_i0_conv"
+
+
+void main()
+{
+    SetLocalInt(OBJECT_SELF, sHenchDontSummon, TRUE);
+}