* Add additional auth support to Gitlab (#705)
- removed unused imports from module_utils.gitlab
- fix bug in gitlab_project to check if avatar_path is provided
* add doc_fragment and argument_spec for gitlab auth
* doc fixes and remove avatar_path bug fix
* small doc changes, pass validate_certs to requests call
* update changelog
(cherry picked from commit 52ad0a5fbb)
Co-authored-by: Josh <josham@users.noreply.github.com>
