This commit includes all the changes involved in
converting the old Ansible Tower modules from commits
in Ansible core into the AWX collection that replaces it.
Also includes work needed to integrate it into the
AWX processes like tests, docs, and the Makefile.
Apply changes from content_collector tool
Add integrated module tests
operate via run_module fixture
add makefile target for them
Add flake8 target and fix flake8 errors
Update README
Make consolidated target for testing modules
