Fix specs for https
Fix specs for https

Accessing https://specs.openstack.org modern browser reject many
insecure references, use https where everywhere.

Integrate the footer since status.o.o is not accessible via https.

Change-Id: I4aa4bafe761b00a072de327cabaf3f115c178b00

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