2008-02-29  Andrea Del Signore  <sejerpz@tin.it>

	Add support for "spacer" as a button type which adds some
	empty space. Closes #509165.

        * src/ui/theme.c (meta_frame_layout_calc_geometry),
          src/include/common.h (MetaButtonLayout),
          src/core/prefs.c (update_button_layout, button_layout_equal),
          src/metacity.schemas.in: add spacer support


svn path=/trunk/; revision=3615