change icon for some views
change icon for some views

Use the "graph" icon for most views, even if this is the only
view into a particular data object.  Default table & tree views
will still use the same input/output icon as before.

Visomics/Visomics,arborworkflows/Visomics,Visomics/Visomics,Visomics/Visomics,Visomics/Visomics,arborworkflows/Visomics,arborworkflows/Visomics,arborworkflows/Visomics,arborworkflows/Visomics,Visomics/Visomics,Visomics/Visomics,arborworkflows/Visomics