Carry on  differenciation between ClickViewer and ClickViewerPropseg.
Carry on  differenciation between ClickViewer and ClickViewerPropseg.


Former-commit-id: 48e035deb8806e74368a66106a6f531c4bd2bd1f
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox