Features:
+* cryptsetup-generator: warn if the password files are world-readable
+
+* cryptsetup-generator: add RequiresMountsFor= to cryptseup service files referencing a file, similar for devices
+
+* cryptsetup-generator: allow specification of passwords in crypttab itself
+
* document that deps in [Unit] sections ignore Alias= fileds in
[Install] units of other units, unless those units are disabled