techblog.wikimedia.org to get its own certificate

it turns out there are hundreds of links for techblog.wikimedia.org
within the projects, so simply breaking them all for HTTPS was
non-ideal.  Adding in a certificate and support for it via this
patchset.

Change-Id: I5b633d37564d5e68d45d9ca34ce5a08d152b2953
RT: 5010