* qt4/src/poppler-document.cc:
        * qt4/src/poppler-link.cc:
        * qt4/src/poppler-page.cc:
        * qt4/src/poppler-private.h:
        * qt4/src/poppler-qt4.h: Adding links extraction code, should work as
          it is basically stripped out from kpdf, but comments are obviously welcome as always