Added fancymapped Arcane Castle tileset

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

Content/crs01_arc_fancy/plc_arcpillar.pwk

@@ -0,0 +1,25 @@
+#Exported from 3ds max by MDL Plug-in Suite 1.0b
+#http://www.bricksbuilder.com/nwn/utils/
+#MAXMODEL ASCII
+# model: plc_arcpillar
+filedependancy plc_arcpillar.max
+node trimesh NoWalk
+    parent plc_arcpillar_pwk
+    position 0.0 0.05 0.0
+    orientation 1.0 0.0 0.0 0.0
+    scale 1.0
+    shininess 1
+    diffuse 0.875 0.335938 0.335938
+    ambient 0.875 0.335938 0.335938
+    specular 0.0 0.0 0.0
+    selfillumcolor 0.0 0.0 0.0
+    alpha 1.0
+    verts 4
+        0.546467 0.496883 0.0
+        -0.556575 0.496883 0.0
+        0.546467 -0.585847 0.0
+        -0.556575 -0.585847 0.0
+    faces 2
+        2 0 3 1 0 0 0 65536
+        1 3 0 1 0 0 0 65536
+endnode