f8c5c8bedf
Instead of keeping track of a list of DiveObjectHelpers, generate them on-the-fly in DiveListModel. Thus, there is less danger of model and core getting out of sync. On the flip-side, now the DiveListModel and the DiveListSortModel might get out of sync. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>