Normal mapping code

Normal mapping code for normal mapping tutorial (+ few extra's for next
tutorial)

resources/objects/cyborg/LICENSE.txt

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+Slightly adapted version (by Joey de Vries) of Cyborg model.
+
+From: 3dregenerator
+Downloaded at: http://tf3dm.com/3d-model/cyborg-78.html
+
+For Personal Use Only.

resources/objects/cyborg/cyborg.mtl

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+# Blender MTL File: 'cyborg.blend'
+# Material Count: 1
+
+newmtl Cyborg
+Ns 92.156863
+Ka 0.000000 0.000000 0.000000
+Kd 0.512000 0.512000 0.512000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd cyborg_diffuse.png
+map_Bump cyborg_normal.png
+map_Ks cyborg_specular.png