set default color maps
set default color maps

Add code to set the default color mapping for the categorized dual
return arrays, including application of appropriate value labels.

Kitware/VeloView,frizaro/Veloview,frizaro/Veloview,Kitware/VeloView,frizaro/Veloview,frizaro/Veloview,Kitware/VeloView,Kitware/VeloView,Kitware/VeloView