* plugins/gtk+/glade-cell-renderer-button.c: Fixed a warning.

	* plugins/gtk+/glade-column-types.c, plugins/gtk+/glade-model-data.c,
	plugins/gtk+/glade-icon-sources.c: Made sure add/remove works when
	deleting unedited icon sources, all add buttons result in focus and
	start-editing of an important cell in the underlying treeview.

	* gladeui/glade-utils.c: Fixed generic enum types to use enum_class->minimum
	as the default value.


svn path=/trunk/; revision=1999