+ Superuser field should not be mandatory.
+
+ In end-user record, username and password should not be
+ mandatory any more. (Perhaps it should be mandatory to have at
+ least one of u/p, IP range, hostname, etc.)
+
+ Add an "Act As" link on the Edit Library page.
+
+ When making a new user-access record, default the displayName
+ to that of the ibrary that owns it.
+