Install Plugins screen:

* Utilize the (currently-named) filter bar from the Add Themes screen.
* Move the upload link to the h2, also like the Add Themes screen.

see #28673.

Built from https://develop.svn.wordpress.org/trunk@29218


git-svn-id: http://core.svn.wordpress.org/trunk@29002 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/forms.css

@@ -465,7 +465,7 @@ p.search-box {
 }
 
 .search-box input[name="s"],
-#search-plugins input[name="s"],
+.tablenav .search-plugins input[name="s"],
 .tagsdiv .newtag {
 	float: left;
 	height: 28px;