* callback_type -> type.
* Mark authors as unknown.
* Add author field forgotten in #627.
* Fix author entries.
* Add author field forgotten in #127.
* Fix some types.
* [splunk] Add an option to not fail when the certificate is not valid
Add an boolean option validate_certs to not validate the certificate of
the HTTP Event Collector.
* Add changelog
* Fix using tabs indentation
* Fix post-review - fix changelog and version of the parameter
Co-authored-by: Baptiste Mille-Mathias <baptiste.millemathias@gmail.com>