* Fix the issue alias_traversal
https://github.com/yandex/gixy/blob/master/docs/en/plugins/aliastraversal.md
* Update fix alias_traversal
* Don't change original nginx conf file and add change_url
* Use newest version of ynh_add_nginx_config from #462
No more need to deal with "#sub_path_only"
* Revert "Use newest version of ynh_add_nginx_config from #462" as it's not released (and subject to discussions)!
This reverts commit fac62c49ff.
* Fix indentation