Since all code can now directly access C++ structures these
accessor functions were not necessary.
Split out the table from the filterconstraint source file
and include it directly into the divelog.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Implement a trivial model to provide the filter preset names
to the UI. Sadly, for now this features the QWidget/QML
column / name dichotomy. However, in this simple case that
shouldn't be too much of an issue.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>