Features:
+* "systemctl is-failed" to join "systemctl is-active" and "systemctl is-enabled".
+
+* journal is not closed properly at shutdown when run in a container?
+
* All log messages generated from socket.c, service.c, ... should
include _SYSTEMD_UNIT= fields so that "systemctl status" can show
them along with the unit
- how to develop against journal browsing APIs
- the journal HTTP iface
- non-cgroup resource management
+ - refreshed, longer missions statement
* allow port=0 in .socket units