Import of xpdf code from gpdf.

Tue Dec 21 16:30:58 2004  Owen Taylor  <otaylor@redhat.com>

        * pdf/**: Import of xpdf code from gpdf.

        * pdf/xpdf/xpdfconfig.h: Move the non-config.h config.h to xpdfconfig.h

        * pdf/splash/SplashFTFont.{cc,h} pdf/splash/SplashFTFont.h
        pdf/splash/SplashFTFontEngine.h pdf/splash/SplashFTFontFile.h:
        Fix FreeType includes.

        * pdf/xpdf/{Error.h GnomeVFSStream.cc ImageOutputDev.cc PDFDoc.cc\
        pdffonts.cc pdfimages.cc pdfinfo.cc pdftoppm.cc pdftops.cc
        pdftotext.cc PSOutputDev.cc PSOutputDev.h SplashOutputDev.h
        Stream.cc TextOutputDev.cc XPDFApp.cc xpdf.cc XPDFViewer.cc
        pdf/xpdf/Error.h PSOutputDev.h SplashOutputDev.h}:
        Include xpdfconfig.h