Add a get_orientation api. Improve set_orientation.

Add a get_orientation api. Improve set_orientation.

2005-06-16  Marco Pesenti Gritti  <mpg@redhat.com>

        * backend/ev-document.c: (ev_document_get_orientation):
        * backend/ev-document.h:
        * pdf/ev-poppler.cc:
        * ps/ps-document.c: (ps_document_get_orientation),
        (ps_document_set_orientation), (ps_document_document_iface_init):

        Add a get_orientation api. Improve set_orientation.

        * data/evince-ui.xml:
        * shell/ev-view.c: (ev_view_set_orientation),
        (ev_view_rotate_right), (ev_view_rotate_left):
        * shell/ev-view.h:
        * shell/ev-window.c: (ev_window_cmd_edit_rotate_left),
        (ev_window_cmd_edit_rotate_right):

        Better ui for changing document orientation