Also invert the y axis of the uv coordinates in write_obj(...)
Also invert the y axis of the uv coordinates in write_obj(...)

Previously we only inverted them in write_textured_obj(...). I believe this was an oversight, since when using write_obj(...), one would rarely use the uv coords.

patrikhuber/eos,patrikhuber/eos,patrikhuber/eos