Release 2017_022 (2017-10-04)

NixOS platform

• Update osrm-backend to 4.5.0, and update osm2pgsql to 0.92.1 (#28514).

• Don’t over-commit memory on machines with both loghost and stathost (#28316).

• Statshost: allow direct access to the Prometheus UI via HTTP.

• Fix relabeling of MySQL commands metric in federated Prometheus setups.

• Collect metrics from Redis.

• Update vulnix to 1.3.0.

Gentoo platform

• Improve log checks (#26915).