MayaVi2:
   - Add image readers and elementary texture support. (p)
   - Modify tests to use standalone. (p)
   - Customize the UI/modules/whatever for the entire install. (p)
   - Make the viewer used in standalone more versatile (make it easy to
     control what goes on the toolbar and in the menus.
    
   - Transfer editor for images. (g)

   - Right click on tree view to get full functionality.
   - Context sensitive menus.
   - Persistence to use a better approach.
   - Easier interface to open data files.
   - Multiblock data support.
   - Improve user guide, add more devel info.
   - Support for animation .
   - Add a "remove_from_visualization" method on pipeline objects.
   - Clean up the doc generation scripts (g).

Mlab:
   - mlab.show to start the GUI event-loop in a clever way (g).
 
