2006-01-12  Murray Cumming   <murrayc@murrayc.com>

        * glom/utility_widgets/db_adddel/db_adddel.cc:
        * glom/utility_widgets/db_adddel/db_adddel.h:
        * glom/utility_widgets/db_adddel/glom_db_treemodel.cc:
        * glom/utility_widgets/db_adddel/glom_db_treemodel.h:
        Define the placeholder row as the last row, whose existance we
        cause just by increasing the number of rows, so that iter_next_vfunc() gives
        one more row, instead of marking a boolean. This simplifies things and
        prevents extra placeholder rows being generated.
        * glom/base_db.cc:
        * glom/frame_glom.cc:
        * glom/mode_data/box_data.cc:
        * glom/mode_data/box_data.h:
        * glom/mode_data/box_data_details.cc:
        * glom/mode_data/box_data_details.h:
        * glom/mode_data/box_data_list.cc:
        * glom/mode_data/box_data_list_related.cc:
        * glom/mode_data/box_data_list_related.h:
        * glom/mode_data/notebook_data.cc:
        * glom/mode_find/box_data_list_find.cc:
        * glom/utility_widgets/flowtablewithfields.cc:
        * glom/utility_widgets/imageglom.cc: Adapt to new API. And some changes to
        ensure that find results are shown in the appropriate view depending on whether
        there are >1 records found.