Features:
+* rename sd_bus_open_system_container() to sd_bus_open_system_machine()
+
* Port various tools to make use of verbs.[ch], where applicable
* Check all invocations of access() and consider turning them into laccess()
* "machinectl status" should show 10 most recent log lines of both the host logs of the unit of the machine, plus the logs generated in the machine
-* make "machinectl login" use a new machined call OpenMachineLogin() or so to get a pty in a machine. That would open up logins to unprivileged clients
-
* add transparent btrfs pool in a loopback file in /var if btrfs operations (such as systemd-import pull-dkr) are used and /var is not a btrfs file system
* machined: open up certain commands to unprivileged clients via polkit