[Azoth Tracolor] Implement IHaveSettings.
[XSD] Avoid default-clauses in ItemHandlerDataView.
[XSD] Added Color data source item type role.
[XSD] Code style fixes.
[XSD] Code style fix.
[XSD] Support fetching data from EditRole in dataview.
[XSD] Skip DataFieldType::None fields on dataview modification.
[XSD] Handle Color dataview items.
[Azoth Tracolor] Added EventsSettingsManager stubs.