NOJIRA Modify item info service to:

1. Include parent_id's as identifiers. They're not much use otherwise.
2. Include the primary key value since there are some applications where having a guaranteed unique value for each record is useful
NOJIRA added option when setting parent_id to force treatment of value as identifer
NOJIRA fix broken save button
NOJIRA replace "_" with " " in list labels generated from idno's. This tends to look nicer.
NOJIRA replace "_" with " " in list labels generated from idno's. This tends to look nicer.
NOJIRA modify data importer to:

    1. Not attempt to merge deleted records
    2. Force parent_id mapped values to be treated as identifiers.