Features:
+* make arbitrary cgroups attributes settable
+
+* when we automatically restart a service, ensure we retsart its rdeps, too.
+
* allow Type=simple with PIDFile=
https://bugzilla.redhat.com/show_bug.cgi?id=723942
* logind: use sysfs path in device hash table instead of sysname, as soon as fb driver is fixed
+* timedated: implement NTP calls
+
* implement Register= switch in .socket units to enable registration
in Avahi, RPC and other socket registration services.