Add a local_only property to GtkFileChooserEntry

Add a local_only property to GtkFileChooserEntry
	Patch by Carlos Garnacho <carlos@imendio.com> - add a local_only
	property to GtkFileChooserEntry:

	* gtk/gtkfilechooserentry.c (struct _GtkFileChooserEntry): Add a
	local_only field.
	(_gtk_file_chooser_entry_init): Default to local_only being true.
	(start_explicit_completion): Don't allow completion of non-native
	files if local_only is turned on.
	(start_loading_current_folder): Don't start loading non-native
	folders if local_only is turned on.
	(_gtk_file_chooser_entry_set_local_only): New function.
	(_gtk_file_chooser_entry_get_local_only): New function.

	* gtk/gtkfilechooserentry.h (_gtk_file_chooser_entry_set_local_only,
	_gtk_file_chooser_entry_get_local_only): New prototypes.

	* gtk/gtkfilechooserdefault.c (set_local_only): Set the local_only
	property on the entry.

Signed-off-by: Federico Mena Quintero <federico@novell.com>
svn path=/trunk/; revision=22156