Setting saving behaviour fixes.

Setting saving behaviour fixes.

	* shell/ev-metadata-manager.c:
	* shell/ev-utils.c: (using_pdf_printer),
	(using_postscript_printer), (load_print_config_from_file),
	(save_print_config_to_file):
	* shell/ev-utils.h:
	* shell/ev-window.c: (update_sizing_buttons), (page_changed_cb),
	(update_sidebar_visibility), (setup_sidebar_from_metadata),
	(setup_view_from_metadata), (ev_window_setup_document),
	(ev_window_load_job_cb), (ev_window_sidebar_position_change_cb),
	(ev_window_run_fullscreen), (ev_window_stop_fullscreen),
	(ev_window_run_presentation), (ev_window_stop_presentation),
	(save_sizing_mode), (ev_window_zoom_changed_cb),
	(ev_window_continuous_changed_cb), (ev_window_rotation_changed_cb),
	(ev_window_dual_mode_changed_cb),
	(ev_window_sidebar_current_page_changed_cb),
	(ev_window_sidebar_visibility_changed_cb), (ev_window_dispose),
	(window_state_event_cb), (window_configure_event_cb),
	(ev_window_init):

	Setting saving behaviour fixes.