Release all datasets with pylexibank 2.0

[xrotwang]

While this may be a bit stressful, I think it's worth it. Otherwise we'd release something that's basically not dead, but EOL on arrival.

[LinguList]

Yes, given the reviews we received, we should take this as a gentle push to get things finalized. @chrzyki, when starting to organize things, we should also make a list of the datasets who finalizes them.

[chrzyki]

Done