Append the $0 controlling subfield to newly created authorities

Append the $0 controlling subfield to newly created authorities

Still a work in progress; obviously we need to try and grab a better
institutional code, need to teach the "Create and edit..." option
how to do the same thing, and should augment the "Authority created"
dialog box to tell the user to save the record or lose the changes
they just made.

At some point we need to consider auto-saving records, perhaps immediately
after we provide infinite undo capability to step back through previous
changes.

git-svn-id: svn://svn.open-ils.org/ILS/trunk@17857 dcc99617-32d9-48b4-a31d-7c20da2025e4