Added Fortran interface routines to handle the new 3d functions plline3(), plpoin3(), and plpoly3().
Added Fortran interface routines to handle the new 3d functions plline3(),
plpoin3(), and plpoly3().

svn path=/trunk/; revision=1107

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