Add class PlotDataModel
Make Plot work with a model subclassed from QAbstractListModel
Add statistics data support to UiWrapper
Expose statisticModel to QML
Add plotdatamodel to project file (missing from 63d527a15e)
Change statistics year
Read statistics data before opening statistics page
Add appendData() and setRowData()
Change example data
Set year property
Force update of plot using a dummy updated by onDataChanged
Prefill statistics and replace data instead of clearing and adding
All data coming from model needs the forced update
Use Item instead of Rectangle
Put Plot inside Item instead of Rectangle
Add statistics selection menu