Features:
+* varlink: extend varlink IDL macros to include documentation strings
+
* Get rid of the symlinks in /run/systemd/units/* and exclusively use cgroupfs
xattrs to convey info about invocation ids, logging settings and so on.
support for cgroupfs xattrs in the "trusted." namespace was added in linux
- systemd-dissect
- systemd-sysupdate
- systemd-analyze
- - systemd-pcrlock (to allow fwupd to relax policy)
- kernel-install
- systemd-mount (with PK so that desktop environments could use it to mount disks)