* updated ansible pinning to prevent more possibilities of breaking changes
* more exact pinning of ansible version
* more exact pinning of ansible version and also all the rest
* added testing requirements.txt pinning settings
* removed boto from testing requirements.txt
* Add ansible-lint as gitlab-ci step
* Fix jinja2 syntax in include_tasks that breaks ansible-lint
* Use a block scalar to get around gitlab quoting/escaping rules
* Run ansible-lint in verbose mode in CI
* Adding yaml linter to ci check
* Minor linting fixes from yamllint
* Changing CI to install python pkgs from requirements.txt
- adding in a secondary requirements.txt for tests
- moving yamllint to tests requirements
