since the shrink bindings is chrome, this is what I had to do get the shrinkable...

since the shrink bindings is chrome, this is what I had to do get the shrinkable groupboxes to persist their state.  At first I actually used persist on the caption, but the patron search interface uses a caching deck which relies on url params, so I switched to file storage for the shrink state

git-svn-id: svn://svn.open-ils.org/ILS/trunk@5782 dcc99617-32d9-48b4-a31d-7c20da2025e4