Deoldify Vapoursynth filter

[Dan64]

I found the following issues:

1) The “auto” parameter for render_factor in ddcolor is not managed
2) It is not managed the “render_factor” in  ddeoldify_stabilizer you can set it = max(ddcolor_rf, deoldify_rf)
3) most of the descriptions need to be updated with the last RC5

In the last RC5, the default for "stab" is False and not more True, and need to be managed

Thanks,
Dan



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