Implement search based on poppler_page_find_text(). Currently a bit crude

Implement search based on poppler_page_find_text(). Currently a bit crude

2005-04-01  Kristian Høgsberg  <krh@redhat.com>

        * pdf/ev-poppler.cc: Implement search based on
        poppler_page_find_text().  Currently a bit crude since we remember
        all matches from all pages.  Also, we grab the big document lock
        when we search since searching changes the underlying stream and
        thus conflicts with the rendering thread.

        * shell/ev-view.c: (draw_rubberband), (highlight_find_results),
        (jump_to_find_page), (ev_view_set_document), (ev_view_find_next),
        (ev_view_find_previous): Fix some page indexes to be 0 based,
        offset rubber band by view offset,