Add "Close tab" menu item to CallWindow tabs.
... to make the Unity (standard desktop environment of Ubuntu) users out
there happy.
extend documentation of the API
further extend documentation and improve final_show

final_show will now show no window if there haven't been any prior
calls.
remove nonexisting doxygen-directive
Add "Close tab" menu item to CallWindow tabs.
... to make the Unity (standard desktop environment of Ubuntu) users out
there happy.
Fix #13.
Merge branch 'master' of https://github.com/CVVisualPSETeam/CVVisual
delete MatchPointPen
register views by default
Merge branch 'master' of github.com:CVVisualPSETeam/CVVisual
Merge branch 'master' into random_ids