A little more abstraction in the `WP_oEmbed` class. Fixes #24381.
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git-svn-id: http://core.svn.wordpress.org/trunk@28542 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`edit.php?post_type=attachment` should redirect to `upload.php`. Without the redirect, the user is presented with an empty list table. There are probably other issues to address overall, but this accomplishes what the ticket wants.

Props knutsp.
Fixes #27951.

Built from https://develop.svn.wordpress.org/trunk@28729


git-svn-id: http://core.svn.wordpress.org/trunk@28543 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add screen reader labels to the date inputs on the post editing screen. Fixes #25461. Props frank-klein.
Built from https://develop.svn.wordpress.org/trunk@28730


git-svn-id: http://core.svn.wordpress.org/trunk@28544 1a063a9b-81f0-0310-95a4-ce76da25c4cd