Make the Data Probe container collapsed at launch
Make the Data Probe container collapsed at launch

Fix Issue #60

sumedhasingla/VesselView,agirault/VesselView,KitwareMedical/VesselView,sumedhasingla/VesselView,agirault/VesselView,matthieuheitz/VesselView,matthieuheitz/VesselView,matthieuheitz/VesselView,agirault/VesselView,sumedhasingla/VesselView,KitwareMedical/VesselView,KitwareMedical/VesselView