Enable Django 1.10 test for Sahara UI only from Pike+
Enable Django 1.10 test for Sahara UI only from Pike+

The requirements.txt files for Horizon and UIs in Ocata say:
Django<1.9,>=1.8 # BSD

Change-Id: I21811af43f9aeb7ed7af198e04d2fd86631e6993

openstack-infra/project-config,openstack-infra/project-config