
Fixed the elements in CLEANFILES and MAINTAINERCLEANFILES in order to
protect the files that should go into the distribution tarball (hopefullly
correct now).  Also changed the variable pdf_DATA into the more generic
print_DATA, including in it the PostScript and DVI generated files.

svn path=/trunk/; revision=4425

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