remove all references to old PdfView class (preferred_zoom_levels,

remove all references to old PdfView class (preferred_zoom_levels,

* xpdf/gpdf-control.cc: remove all references to old PdfView class
(preferred_zoom_levels, preferred_zoom_level_names): add more zoom
levels
(gc_zoom_level_from_index): kill
(gpdf_control_zoom_in, gpdf_control_zoom_out)
(gpdf_control_zoom_fit_width, gpdf_control_zoom_fit)
(gpdf_control_zoom_default, gc_zoomable_set_zoom_level_cb):
rewrite using GPdfView methods

* xpdf/gpdf-view.cc (gpdf_view_zoom_in, gpdf_view_zoom_fit)
(gpdf_view_zoom_fit_width): implement

* xpdf/gpdf-view.h: add zoom function prototypes

* xpdf/bonobo-application-x-pdf.cc (main):
* shell/gpdf.c (main): s/PACKAGE/GETTEXT_PACKAGE/ in *textdomain
functions

* xpdf/Makefile.am, goo/Makefile.am: fix distcheck