* Update code generation (#969)
* Updated code generation scripts to use the new spec
* API generation
* Fix bad link
* Updated API reference doc (#945)
* Updated API reference doc
* Updated docs script
* Fix issue; node roles are defaulting to true when undefined (fal… (#967)
* Fix issue; nodeFilter was unable to filter because master, data, and ingest role were true if even they were false on the node.
* Test nodesToHost of BaseConnectionPool correctly maps node roles
* API generation
* Docker: use 7.4-SNAPSHOT
* API generation
* Use 7.4 stable