2001-12-02  Chema Celorio  <chema@celorio.com>

	* src/glade-catalog.c (glade_catalog_load): keep a list of all the
	GladeWidgetClass that we loaded

	* src/main.c (glade_init): s/catalog/catalogs
	* src/glade-project-window.h (struct _GladeProjectWindow): ditto
	* src/glade-project-window.c (glade_project_window_new): ditto

	* src/glade-placeholder.c (glade_placeholder_get_from_properties): return
	GTK_BIN (parent->widget)->child if we have a GtkWindow

	* src/glade-catalog.c (glade_catalog_load): constify
	(glade_catalog_load_all): check if we where able to open the directory