First part of the filtering datacage for user data. This joins the outs to the master artifact information and adds km filtering. Next step: Joining the facets and filtering by them. This will also fix the broken select-facet macro

SYMBOLSET
SYMBOL
  NAME 'point'
  TYPE ELLIPSE
  POINTS
    1 1
  END
  FILLED TRUE
END
SYMBOL
  NAME "square"
  TYPE VECTOR
  POINTS
    0 0
    0 1
    1 1
    1 0
    0 0
  END
  FILLED TRUE
END
END