Add access and error log controls for nginx servers.

install/dist/lib/fedora.lib.php

install/dist/lib/opensuse.lib.php

install/lib/installer_base.lib.php

install/tpl/nginx_anonlog.master

interface/web/admin/lib/lang/en_server_config.lng

interface/web/admin/templates/server_config_web_edit.htm

server/conf/nginx_vhost.conf.master

server/plugins-available/nginx_plugin.inc.php