host_vars/web01: Update WordPress version and vhosts

Signed-off-by: Alan Orth <alan.orth@gmail.com>
roles/nginx: Re-work vhost template to support HTTPS

Assumes you have a TLS cert for one domain, but not the others, ie:

    http://blah.com \
    http://blah.net  -> https://blah.io
    http://blah.org /

Otherwise, without https, it creates a vhost with all domain names.

Signed-off-by: Alan Orth <alan.orth@gmail.com>