Merge "Kayobe environment dependencies"

ansible/inventory/group_vars/all/globals

ansible/kolla-ansible.yml

ansible/kolla-bifrost.yml

ansible/kolla-build.yml

ansible/kolla-openstack.yml

ansible/lookup_plugins/kayobe_environments.py

doc/source/multiple-environments.rst

kayobe/ansible.py

kayobe/kolla_ansible.py

kayobe/plugins/lookup/environments.py

kayobe/tests/unit/test_ansible.py

kayobe/tests/unit/test_utils.py

kayobe/utils.py

...otes/notes/environment-dependencies-22df2a38a653425b.yaml

requirements.txt