Added ability to store position, normal, tangent, and uv vertex attributes using GL_SHORT to reduce memory consumption and bandwidth.

Now taking advantage of GL_EXT_discard_framebuffer to reduce extraneous memory copy operations in the PowerVR driver
Implemented native support for Maya's extended scene graph node attributes (pre-transform, post-transform, pivot sets, scale compensation)
Debugging of broken skinned mesh renderer in progress

KREngine/kraken_standard_assets_ios/Shaders/ObjectShader.fsh

@@ -393,4 +393,8 @@ void main()
     
 
     #endif
+    
+    #if BONE_COUNT > 0
+        gl_FragColor.b = 1.0;
+    #endif
 }