Added fancymapped Arcane Castle tileset

Added fancymapped Arcane Castle tileset.  Updated doortypes, genericdoors, loadscreens & placeable 2DAs for NWNEE.

Module/nss/auto_close_door.nss

@@ -0,0 +1,9 @@
+// Very simple script that closes the door 10.0 seconds after opening.
+// Place on the OnOpen event of the door.
+
+// Created by Zunath on August 13, 2007
+
+void main()
+{
+    DelayCommand(20.0, ActionCloseDoor(OBJECT_SELF));
+}

Module/nss/lvl10_onenter.nss

@@ -0,0 +1,25 @@
+//:: lvl10_onenter.nss
+
+#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 );
+
+  if ( GetIsAreaAboveGround( OBJECT_SELF ) &&
+    ! GetIsAreaNatural( OBJECT_SELF ) )
+  {
+    // Indoors - no delay on the first HB
+    Spawn_OnAreaEnter( "spawn_sample_hb", 10.0 );
+  }
+
+  else
+  {
+    // Outdoors or underground - do a 3 second delay on the first HB
+    Spawn_OnAreaEnter( "spawn_sample_hb", 10.0, 3.0 );
+  }
+}