* icons/i-directory-12.png:
	* icons/i-directory-accept-12.png:
	fixed bug 6338, folder moves to the right when highlighted,
	by tweaking the associated images

	* src/nautilus-sidebar-tabs.c: (nautilus_sidebar_tabs_hit_test):
	consider the tab for hit-testing even if invisible
	* src/nautilus-sidebar.c: (nautilus_sidebar_release_event):
	fixed 3538, easier way to minimize active sidebar view, by
	making it close the active view when you click on the space
	its tab formerly occupied.