Use reviewed & unreverted edits as good for fiwiki (#112)
- [WIP] Query and fetch changes approved through FlaggedRevs
- [WIP] Improve flaggedrevs data set
- Include 160k more approvals with legacy log_params.
- Omit two bot users.
- Omit anything autolabeled as reverted.
- Only use approvals of a single commit, no chains.
Introduces a new utility to filter by the value of a given json key.
- Add the key data set for this experiment, for review.
- Use reviewed & unreverted edits as good for fiwiki
- Removes one-off scripts for fiwiki flaggedrevs.