Removed PLESC tag defs (now in plplot.h) and unsigned var defs (now in pdf.h).
Removed PLESC tag defs (now in plplot.h) and unsigned var defs (now in
pdf.h).

svn path=/trunk/; revision=791

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