Added fancymapped Arcane Castle tileset

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

Content/crs01_arc_fancy/plc_arccouch.pwk

@@ -0,0 +1,25 @@
+# Exported from NWmax 0.8 b60 at 18.04.2006 0:03:12
+# pwk file
+#
+#NWmax PWKMESH  ASCII
+node trimesh plc_couch_wg
+  parent plc_couch_pwk
+  position 0.0 0.0 0.0
+  orientation 1.0 0.0 0.0 0.0
+  wirecolor 0.521569 0.0156863 0.0156863 
+  bitmap NULL
+  verts 4
+    -0.835173 -0.475727 0.0
+    1.14603 -0.475727 0.0
+    -0.835171 0.562273 0.0
+    1.14603 0.562273 0.0
+  faces 2
+    2 0 3  1  0 0 0  7
+    1 3 0  1  0 0 0  7
+endnode
+node dummy X03_pwk_use01
+  parent plc_couch_pwk
+  position 0.00216712 -0.314978 0.0
+  orientation 1.0 0.0 0.0 0.0
+  wirecolor 0.541176 0.0313726 0.431373 
+endnode