Add the various menu-related arrow gifs. fixes bug 17368. r=jfrancis

xpfe/global/resources/skin/MANIFEST

@@ -3,6 +3,18 @@ global.css
 lessCols.gif
 lessCols_mo.gif
 lessCols_dis.gif
+menu-arrow-disabled.gif
+menu-arrow-hover.gif
+menu-arrow.gif
+menu-check-disabled.gif
+menu-check-hover.gif
+menu-check.gif
+menuArrow.gif
+menuArrow_dis.gif
+menuArrow_mo.gif
+menuCheck.gif
+menuCheck_dis.gif
+menuCheck_mo.gif
 moreCols.gif
 moreCols_mo.gif
 moreCols_dis.gif