Use full pathname for html, info, man, and overall tarballs.  This seems to give a much more reliable result for make www-install.
Use full pathname for html, info, man, and overall tarballs.  This seems
to give a much more reliable result for make www-install.

svn path=/trunk/; revision=8589

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