Installed NESS 4.1.9

Installed NESS 4.1.9.  Tweaked main city.  Full compile.

_module/nss/spawn_smpl_onent.nss

@@ -0,0 +1,23 @@
+//
+// NESS V8.1
+//
+// Spawn sample onEnter
+//
+// If you want to use pseudo-heartbeats and do not already have an area onEnter
+// script, you can use this one.  Otherwise, just add Spawn_OnAreaEnter() to
+// your existing onEnter handler.  Note that you use this (and 
+// SpawnOnAreaExit()) INSTEAD OF Spawn() / spawn_sample_hb.
+// 
+
+#include "spawn_functions"
+
+void main()
+{
+  // Spawn_OnAreaEnter() can take three arguments - the name of the heartbeat
+  // script to execute, the heartbeat duration, and a delay for the first
+  // heartbeat.  They default to spawn_sample_hb, 6.0, and 0.0 respectively; as 
+  // if it were called like:
+  // Spawn_OnAreaEnter( "spawn_sample_hb", 6.0, 0.0 );
+
+  Spawn_OnAreaEnter();
+}