Add preview toolbar (hidden by default)

Add preview toolbar (hidden by default)

2006-07-17  Carlos Garcia Campos  <carlosgc@gnome.org>
	* data/evince-toolbar.xml: Add preview toolbar (hidden by default)
	* shell/ev-application-service.xml:
	* shell/ev-application.[ch]:
	* shell/ev-jobs.[ch]:
	* shell/ev-window.[ch]: (ev_window_run_preview):
	* shell/main.c:
	Add preview mode to use evince as a printing previewer. It also adds
	other command line options for fullscreen and presentation modes.
	Fixes bugs #347822, #317031