Here are the outputs that I am getting. Following are the inputs that I have used:
https://ncsucgclass.github.io/prog3/triangles2.json
https://ncsucgclass.github.io/prog4/lightmap.gif
Unlit Texture
Lighting (without Transparency)
Lighting (with Transparency)
Lightmap (without Transparency)
Lightmap (with Transparency)
Cheers,
Ajinkya.