[Kst] Compile problem

[Brisset, Nicolas]

> It seems the change introduced yesterday by George somehow breaks
> compilation: vectorlistview.h does not get included where it 
> should, although it is present in the includehints from datawizard.ui.
Testing it now, and there are more remarks:
1) when using only D&D to select vectors, the next page does not get
activated
2) if in a next step D&D could be used to reorder curves in the
"Selected data:" listview, it would be quite nice