Add a `wp-video` class to the `div` that wraps video shortcode output. It was previously hard to target.

Props nofearinc.
Fixes #25896.


Built from https://develop.svn.wordpress.org/trunk@26526


git-svn-id: http://core.svn.wordpress.org/trunk@26419 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Adding a SVG > PNG fallback for IE8 support. See #26348.
Built from https://develop.svn.wordpress.org/trunk@26527


git-svn-id: http://core.svn.wordpress.org/trunk@26420 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Updating .wp-dialog styling to match the new admin design. Fixes #26328, props SergeyBiryukov, Ocean90.


Built from https://develop.svn.wordpress.org/trunk@26528


git-svn-id: http://core.svn.wordpress.org/trunk@26421 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes: Always include the current theme in the list, even if it is not allowed.

see #25948.

Built from https://develop.svn.wordpress.org/trunk@26529


git-svn-id: http://core.svn.wordpress.org/trunk@26422 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Heartbeat: update wp-auth-check to use the new "connectNow()" method after a successful login, see #25073.
Built from https://develop.svn.wordpress.org/trunk@26530


git-svn-id: http://core.svn.wordpress.org/trunk@26423 1a063a9b-81f0-0310-95a4-ce76da25c4cd
For the current theme, display all available actions, as dictated by the admin menu.

Restores 3.7 behavior. This could include things like Header and Background as well as theme options pages.

see #25948.

Built from https://develop.svn.wordpress.org/trunk@26531


git-svn-id: http://core.svn.wordpress.org/trunk@26424 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Reset responsive styles for the checkbox in auth check window.

props iammattthomas.
fixes #26360.
Built from https://develop.svn.wordpress.org/trunk@26532


git-svn-id: http://core.svn.wordpress.org/trunk@26425 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add basic responsive styles for button-small and button-large, override responsive button-large styles when used in the .interim-login iframe. Fixes #26363.
Built from https://develop.svn.wordpress.org/trunk@26533


git-svn-id: http://core.svn.wordpress.org/trunk@26426 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Simplify the color scheme profile saving JS. see #25858.

Built from https://develop.svn.wordpress.org/trunk@26535


git-svn-id: http://core.svn.wordpress.org/trunk@26427 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Restyle .sub text and .mu-storage header to match new admin design conventions. Fixes #26357.
Built from https://develop.svn.wordpress.org/trunk@26536


git-svn-id: http://core.svn.wordpress.org/trunk@26428 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Only informally deprecate get_screen_icon() and screen_icon(). fixes #26119.

Built from https://develop.svn.wordpress.org/trunk@26537


git-svn-id: http://core.svn.wordpress.org/trunk@26429 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-includes/ms-functions.php.

Props ShinichiN, ericlewis, rzen.
Fixes #25598.

Built from https://develop.svn.wordpress.org/trunk@26538


git-svn-id: http://core.svn.wordpress.org/trunk@26430 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Better visual alignment on side-sortables tabs. Fixes #26323, props mattheu.
Built from https://develop.svn.wordpress.org/trunk@26539


git-svn-id: http://core.svn.wordpress.org/trunk@26431 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-admin/includes/update.php.

Props stevenkword for the initial patches.
Fixes #26252.

Built from https://develop.svn.wordpress.org/trunk@26540


git-svn-id: http://core.svn.wordpress.org/trunk@26432 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove @uses from get_screen_icon() / screen_icon(). see #26119.

Built from https://develop.svn.wordpress.org/trunk@26541


git-svn-id: http://core.svn.wordpress.org/trunk@26433 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Customizer: Ensure we have a string that's JSON parseable.

props mattwiebe.
fixes #postmessage-check.diff.

Built from https://develop.svn.wordpress.org/trunk@26542


git-svn-id: http://core.svn.wordpress.org/trunk@26434 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Return false from wp_delete_post() and wp_delete_attachment() if the DELETE is unsuccessful.

This prevents attachments from being deleted off disk when a DB is locked and the delete is otherwise unsuccessful.

fixes #25107.

Built from https://develop.svn.wordpress.org/trunk@26543


git-svn-id: http://core.svn.wordpress.org/trunk@26435 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Be specific in term_exists error messages in wp_insert_term() as to what already exists (name, or name and slug).

props ericmann, SergeyBiryukov.
fixes #15741.

Built from https://develop.svn.wordpress.org/trunk@26544


git-svn-id: http://core.svn.wordpress.org/trunk@26436 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: use a more specific selector for tag links.

props iamtakashi.
fixes #26358.
Built from https://develop.svn.wordpress.org/trunk@26545


git-svn-id: http://core.svn.wordpress.org/trunk@26437 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add dashicons CSS classes for easy access by plugins and themes.

props dd32.
fixes #26227.

Built from https://develop.svn.wordpress.org/trunk@26547


git-svn-id: http://core.svn.wordpress.org/trunk@26439 1a063a9b-81f0-0310-95a4-ce76da25c4cd