* po/POTFILES.in: Added missing sources & added gtk+.xml

	* src/glade-builtins.c: Fixed a stooopid bug.

	* src/glade-catalog.c: Translated widget groups

	* src/glade-gtk.c: Removed useless property support.

	* src/glade-project-window.c: Fixed compiler warning (miscast)

	* src/glade-property-class.c: Translated disaplayable-values
	  and property class names

	* src/glade-widget-class.c: Translated widget class names

	* widgets/.cvsignore: Added generated file gtk+.xml

	* widgets/Makefile.am: Added @INTLTOOL_XML_NOMERGE_RULE@ and
	  CLEANFILES = gtk+.xml

	* widgets/gtk+.xml (to be renamed to gtk+.xml after surgery):
	  marked tooltips, displayable values, property names, widget titles
	  and widget group titles for translations.

	* po/*.po: Updated po files with new strings to translate.