* Add more license statements. These were modified manually incorporating existing data. * Remove accidentally added line.
* CI tests: add note to main.yml * improve
* fix broken etcd3 module integration test * rewrite etcd3 test role as role-only integration test * etcd3 module integration test changes: - add setup_etcd3 as dependency in meta - skip python2.6 target as etcd3 won't install * fix aliases