Introduce customize_save_after action.

Props dovyp, JustinSainton
fixes #24401


git-svn-id: http://core.svn.wordpress.org/trunk@24344 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove docs suggesting that wp_update_user() creates a user if no ID is provided. See #16731, that is incorrect at this time.



git-svn-id: http://core.svn.wordpress.org/trunk@24345 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unused variable. props zeo. fixes #24412.

git-svn-id: http://core.svn.wordpress.org/trunk@24346 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: polish up RTL for editor styles, fixing blockquote and status entries. Fixes #24298.

git-svn-id: http://core.svn.wordpress.org/trunk@24347 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Auto-expand the menus accordion if JavaScript is disabled. fixes #24402.

git-svn-id: http://core.svn.wordpress.org/trunk@24348 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta3-24349.

git-svn-id: http://core.svn.wordpress.org/trunk@24349 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: remove CSS hack added in r24286 for pixel shift in Chrome with gallery thumbs. Not needed now that we're loading medium size (and not large), see r24338.

git-svn-id: http://core.svn.wordpress.org/trunk@24350 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: PHPDoc cleanup/completion, props DrewAPicture. Fixes #24413.

git-svn-id: http://core.svn.wordpress.org/trunk@24351 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add @return for get_the_post_format_image(). Make sure the function always returns a string. props tollmanz. fixes #24414. see #24348.

git-svn-id: http://core.svn.wordpress.org/trunk@24352 1a063a9b-81f0-0310-95a4-ce76da25c4cd