* glom/utility_widgets/db_adddel/db_adddel.cc: Added an accessible
	name for the TreeView.

	* glom/utility_widgets/imageglom.h:
	* glom/utility_widgets/imageglom.cc:
	* glom/utility_widgets/entryglom.h:
	* glom/utility_widgets/entryglom.cc: Set an accessible name, based on
	the layout item's name.