Use upper constraints when installing ARA
Use upper constraints when installing ARA

Currently the installation of ARA does not apply
the same pip options (including constraints, proxy
settings, etc) as the ansible bootstrap. This may
result in unexpected side-effects.

To ensure that we're keeping things consistent, we
apply the same pip options as those used for the
Ansible bootstrap.

Depends-On: https://review.openstack.org/570601
Depends-On: https://review.openstack.org/570868
Change-Id: I5f20a130032e1b65dc78828344345515975da4dc

openstack/openstack-ansible,stackforge/os-ansible-deployment,openstack/openstack-ansible,bunchc/openstack-ansible,stackforge/os-ansible-deployment,bunchc/openstack-ansible