Release 2019_021 (2019-09-19)

Impact

• [NixOS 19.03] Nginx will be reloaded.

NixOS 19.03 platform

• Nginx: bring back missing worker config.

• Nginx: shut down connections that are still open 4 minutes after config reload (#117042).

• Nginx: worker age Sensu check now ignores workers that are already shutting down (#117042).

Gentoo platform

• Mark new dovecot config files as seen (#115884).

Documentation

• Add NFS client and share for NixOS platforms.