* src/glade-command.[ch]: Added glade_command_set_properties_list().

	* src/glade-editor.[ch]: Added reset dialog, used property_class->visible_lines
	  instead of GladeParams

	* src/glade-project-window.c: Minor GUI touchups.

	* src/glade-property-class.[ch], src/glade.h: Implemented visible_lines tag loading,
	  touched up comments.

	* src/glade-property.[ch]: Added glade_property_get_default()

	* src/glade-signal-editor.c: Removed the search box from the non-searchable treeview.

	* src/glade-xml-utils.c: fixed up allocator confusions a bit.

	* widgets/gtk+.xml: Made GtkLabel's label property multi-lined.