RTL for Nav Menu tweaks. see #23641. see #23645. props DrewAPicture


git-svn-id: http://core.svn.wordpress.org/trunk@23748 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make the before() and after() methods in Bulk_Plugin_Upgrader_Skin and Bulk_Theme_Upgrader_Skin declarations match Bulk_Upgrader_Skin. Eliminates strict standards warning.

Props charlestonsw
fixes #23807


git-svn-id: http://core.svn.wordpress.org/trunk@23749 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clarify phpdoc for the vertical and horizontal arguments to the flip() method in WP_Image_Editor*.

Props dh-shredder
fixes #23775


git-svn-id: http://core.svn.wordpress.org/trunk@23750 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-alpha-23751.

git-svn-id: http://core.svn.wordpress.org/trunk@23751 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In refresh_blog_details(), make sure clean_blog_cache() gets the blog ID when the blog has been previously cached as non-existent. This ensures that -1 values in blog-details are cleared after blogs are created.

Props beezeee, hirozed
fixes #23405


git-svn-id: http://core.svn.wordpress.org/trunk@23752 1a063a9b-81f0-0310-95a4-ce76da25c4cd