* glib/poppler-document.cc:

        * glib/poppler-document.h: Expose the documenttitle as a GObject
        property.

        * glib/poppler-page.cc: Expose the page label as a GObject
        property.

        * glib/poppler-private.h: Add the page index to PopplerPage.

        * glib/test-poppler-glib.c: Print out page label and document
        title.

        * poppler/Catalog.cc:
        * poppler/Catalog.h: Add page label accessors.

        * poppler/PageLabelInfo.cc:
        * poppler/PageLabelInfo.h: New files.

        * poppler/Makefile.am: Add new files to sources.