Theme list table style improvements. Make 'delete' link red and separate from other actions. New action separators. see #20403.

git-svn-id: http://svn.automattic.com/wordpress/trunk@20455 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/theme.dev.js

@@ -5,7 +5,7 @@
  */
 jQuery( function($) {
 	$('#availablethemes').on( 'click', '.theme-detail', function (event) {
-		$(this).parent().siblings('.themedetaildiv').toggle();
+		$(this).parents('.action-links').siblings('.themedetaildiv').toggle();
 		event.preventDefault();
 	});
 });