Features:
+* man: link up systemd.directives better, so that people actually know about it
+
+* fstab: add new mount option x-systemd-after=/foobar/waldo to allow manual dependencies to other mount points
+ https://bugzilla.redhat.com/show_bug.cgi?id=812826
+
* add "loginctl unlock-sessions" as counterpart for "loginctl lock-sessions"
* extend cgroup attr dbus calls to optionally make changes persistent, and retrieve current kernel values