Add tox-py27 jobs to zuul-jobs
We have unit tests for ansible modules/libraries included in
zuul-jobs.  As these run on the remote node, they need to be python
2.7 and 3 compatible.  Add 2.7 unit tests.
Depends-On:
- openstack-infra-multinode-integration-ubuntu-xenial
- openstack-infra-multinode-integration-opensuse423
- openstack-zuul-jobs-linters
+ - tox-py27
- tox-py35-on-zuul
- tox-py35
gate:
- openstack-infra-multinode-integration-ubuntu-xenial
- openstack-infra-multinode-integration-opensuse423
- openstack-zuul-jobs-linters
+ - tox-py27
- tox-py35-on-zuul
- tox-py35
post:
