This does in place updates, updating existing national footnotes and keeping their validity periods unchanged. Two unsolved problems are:
How do we track/publish/restore these updates in case we want to rebuild the system
Do we need to involve validity periods when doing updates, e.g: when I edit a description it ends current valdity period and create a new, unbounded one with new description (this would make sense in my opinion, but is a bit more complex).
This change is for https://www.pivotaltracker.com/story/show/58794800
Adds API endpoint for national footnote editing. Restricted with authentication.
Depends on: