12-83 Shader set is exporting with some minor mismatches in data
Image slots 7 thru 9 process. Clamp mode and Image scale import and
exporting for 12-83 material
shader.
lighting value 1 and 2 connected to fresnel and fresnel factor
Set mesh_hasnormals to false for 12-83 skin type mesh, now exports with
all values correct.
Changed lighting effect from fresnel to custom value and added ui to
support. changed material normals check for mesh export.
fix bug on export for bdfadenode for skyrim model.
Merge pull request #177 from Ghostwalker71/feature/12-83_shader_export

Feature/12 83 shader export