James Rodewig 3f151d1d75 [DOCS] Add redirects, update JSON spec to fix docs build (#51747)
Docs build [#11556][0] broke due to several outdated or incorrect links
in the JSON REST spec.

This fixes those links where possible and adds redirects.

[0]: https://elasticsearch-ci.elastic.co/job/elastic+docs+master+build/11556/
2020-02-12 08:30:59 -05:00
..