We have a single vhost for zuul-ci.org and zuulci.org, so we should
request a cert with all 4 hostnames.
We also have a separate vhost to handle the git.zuul-ci.org redirect;
add a cert request for that so we can manage it with LE.
Change-Id: Ia2ba3d3ad4f5ab0356ede371d94af3c77a89eda1