* 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.
* Show inspection results for all Docker networks before running docker_network tests.
* AZP/Docker seems to prefer networks in 172.0.0.0/8, so we use 10.0.0.0/8 for our tests.
* Fix use of wrong variable.
* Use remote temp path, replace remote lookups.
* Copy local files.
* Change docker resource name prefix from ansible-test to ansible-docker-test to avoid collision with ansible-test's containers.
* Fix typos.
* We don't neceessarily have a TTY.
* Use hopefully less collision-likely subnet.
* More collision avoidance.
* More changes.