Features:
+* complete varlink introspection comments:
+ - io.systemd.BootControl
+ - io.systemd.Hostname
+ - io.systemd.Journal
+ - io.systemd.ManagedOOM
+ - io.systemd.MountFileSystem
+ - io.systemd.Network
+ - io.systemd.PCRExtend
+ - io.systemd.PCRLock
+ - io.systemd.Resolve.Monitor
+ - io.systemd.Resolve
+ - io.systemd.oom
+ - io.systemd.sysext
+
* dissect: instead of searching for root and /usr partitions first, look for
verity signature partitions first instead, then match up what we find with
locally available keys, and then use first that works.