This change tweaks the layout of search fields in the web client Z39.50
interface and adds radio buttons for the default search field to auto-focus.
The behavior is "sticky" without the need for an explicit Save action. If the
current default field is not present due to a given combination of selected
services, then no field will be focused by default.
Signed-off-by: Jason Etheridge <jason@EquinoxInitiative.org> Signed-off-by: Chris Sharp <csharp@georgialibraries.org> Signed-off-by: Mike Rylander <mrylander@gmail.com>