2010-05-04 Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* src/wbc-gtk-actions.c: change argument to filter_show_all
	* src/wbc-gtk.c (wbcg_menu_state_update): use MS_FILTER_STATE_CHANGED
	  rather than MS_CONSOLIDATE
	* src/workbook-control.h (MS_FILTER_STATE_CHANGED): new

2010-05-04 Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* filter.h (filter_show_all): require WorkbookControl rather
	  than Sheet.
	* filter.c (filter_show_all): require WorkbookControl rather
	  than Sheet; update menu
	(filter): mark rows to belong to a filter
	(advanced_filter): update menu