Changed widget commands to set/get the cmap1 palette to handle the new "rev" cmap1 control point attribute.
Changed widget commands to set/get the cmap1 palette to handle the new
"rev" cmap1 control point attribute.

svn path=/trunk/; revision=1448

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot