Bring plsError closer to working, but not there yet, and giving up for now.
Bring plsError closer to working, but not there yet, and giving up for now.

svn path=/trunk/; revision=5302

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