Color map: When drawing data series, assign color using color preference object

[kristinarobinson]

Using group key, look up key in color preference map.

If present, then use index to look up color in color family.

If NOT present, use current index to assign new color in map, and look up color in color family.
then increment current index.
if current index == color family max
then set current index = 0
Trigger a save back to IDPE for color preference object.