Release 2016_026 (2016-08-09)

NixOS platform

• Upgrade Postfix to 3.0.3 (#22490).

• Add support for postfix configuration items in /etc/local/postfix (#22490).

• Fix varnish tools (varnishlog, varnishstat etc.) so that they just work without explicit statedir specification (#22948).

• Add rsyslog to NixOS VMs (#22535).

• Drain several sources of high-volume journal logging to stabilize VM hosts (#22535, #23015).

Gentoo platform

• Adapt PHP configuration for PHP 5.6 (#22879, #22569).

• Fix stability problems on VM hosts due to overflowing VM log files (#23045).