Features:
+* remove NSS usage from PID 1 (notably the specifiers)
+
* socket-proxyd:
- Support multiple inherited sockets mapped using different proxies
- Use a nonblocking alternative to getaddrinfo
- document initcall_debug
- kernel cmdline "bootchart" option for simplicity?
-* systemd-run is missing zsh completion scripts
-
* udev-link-config:
- Make sure ID_PATH is always exported and complete for
network devices where possible, so we can safely rely