2008-04-09  Sven Neumann  <sven@gimp.org>

	* app/core/gimpcontainer.[ch]: added new methods
	gimp_container_get_{first,last}_child().

	* app/actions/file-actions.c (file_actions_close_all_update)
	* app/dialogs/layer-add-mask-dialog.c (layer_add_mask_dialog_new)
	* app/dialogs/palette-import-dialog.c (palette_import_image_callback)
	* app/gui/gui-vtable.c (gui_get_empty_display): 
	* app/widgets/gimpmenudock.c (gimp_menu_dock_image_changed): use
	the new GimpContainer methods.

	* app/core/gimpundostack.c: use the new GimpContainer methods and
	cleaned up the code.

svn path=/trunk/; revision=25426