Add SSL to UAA's Nginx
Add SSL to UAA's Nginx

The connection between ELB and Nginx was HTTP. As an improvement, we can
secure that connection with HTTPS by installing a certificate on Nginx.

We can use the same certificate that was used for internal traffic
because the ELB doesn't check the hostname.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf