Added a simple wall to models/textures

Levels/Geometry/SimpleWall.obj

@@ -0,0 +1,54 @@
+# Blender v2.72 (sub 0) OBJ File: 'SimpleWall.blend'
+# www.blender.org
+o Wall_Cube.001
+v 0.537791 -3.045326 3.045326
+v 0.537791 -3.045326 -3.045326
+v -0.537791 -3.045326 -3.045326
+v -0.537791 -3.045326 3.045326
+v 0.537791 3.045326 3.045326
+v 0.537791 3.045326 -3.045326
+v -0.537791 3.045326 -3.045326
+v -0.537791 3.045326 3.045326
+vt 1.002363 0.998329
+vt 1.002363 -0.001671
+vt 0.005637 -0.001671
+vt 0.394169 0.995358
+vt 0.394169 -0.004642
+vt 0.605831 -0.004642
+vt -0.003002 0.995358
+vt -0.003002 -0.004642
+vt 0.996752 -0.004642
+vt 0.605361 0.992386
+vt 0.605361 -0.007614
+vt 0.392389 -0.007614
+vt 0.001396 0.906027
+vt 0.001923 0.094175
+vt 0.998604 0.093973
+vt 1.000000 0.097080
+vt 1.000000 0.902920
+vt 0.000000 0.902920
+vt 0.005637 0.998329
+vt 0.605831 0.995358
+vt 0.996752 0.995358
+vt 0.392389 0.992386
+vt 0.998077 0.905824
+vt 0.000000 0.097080
+vn -1.000000 0.000000 0.000000
+vn 0.000000 0.000000 1.000000
+vn 1.000000 0.000000 0.000000
+vn 0.000000 0.000000 -1.000000
+vn 0.000000 1.000000 0.000000
+vn 0.000000 -1.000000 0.000000
+s off
+f 6/1/1 2/2/1 1/3/1
+f 7/4/2 3/5/2 2/6/2
+f 8/7/3 4/8/3 3/9/3
+f 5/10/4 1/11/4 4/12/4
+f 2/13/5 3/14/5 4/15/5
+f 7/16/6 6/17/6 5/18/6
+f 5/19/1 6/1/1 1/3/1
+f 6/20/2 7/4/2 2/6/2
+f 7/21/3 8/7/3 3/9/3
+f 8/22/4 5/10/4 4/12/4
+f 1/23/5 2/13/5 4/15/5
+f 8/24/6 7/16/6 5/18/6