* Remove support for Ansible 2.9 and ansible-base 2.10.
* Remove Ansible 2.9 compatiblity code.
* Remove docker-compose from EE.
* Drop support for Python 2.6. Stop advertising docker-py for Python 2.6.
* Drop support for API versions 1.20 to 1.24.
* Fix condition.
* Only pass chdir on when it is provided, and prevent this option from being used for Docker SDK for Python < 3.0.0.
* Also fix docker_api connection plugin.
* Move variable handling to doc fragment, and make them known to module_utils.
* Pass Daemon connection options to connection plugin.
* Add changelog fragment.
* Fix syntax error.
* Forgot 'options:'.