Subject: [bug#29628] services: nginx: Replace 'http-port' and 'https-port' with 'listen'.

From: Clément Lassieur <[email-masked]>
Date: Sat, 09 Dec 2017 19:41:19 +0100

This patch allows to set several 'listen' directives, each of them being
a string.

See http://nginx.org/en/docs/http/ngx_http_core_module.html#listen.

It may break user configurations.