Background Updates: Pass back whether Group Writable support is being leveraged for an update to the WordPress.org API.
See #30245

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Twenty Fifteen: remove Genericons as a dependency from loading the main stylesheet.

Props iamtakashi, fixes #30532.
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Twenty Fourteen: remove Genericons as a dependency from loading the main stylesheet and IE-specific stylesheet. See #30532.
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git-svn-id: http://core.svn.wordpress.org/trunk@30856 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: remove license details for the image shown in the theme  screenshot file as it is Creative Commons Zero, which doesn't require attribution.

Props iamtakashi, fixes #30156.
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git-svn-id: http://core.svn.wordpress.org/trunk@30857 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Twelve: fix widget stacking problem in older IE browsers for Front Page template.

Props TomasM, hiwhatsup. Fixes #28938.
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Twenty Fifteen: minor updates to readme.txt file for clarity and removing non-ASCII characters. Closes #30675.
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git-svn-id: http://core.svn.wordpress.org/trunk@30859 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Customizer: Import missing `wp.customize.Control.prototype._toggleActive`.

Check also if `completeCallback` is set before calling it.

props westonruter.
see #30701.
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git-svn-id: http://core.svn.wordpress.org/trunk@30861 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Customizer: Remove date filter from the Header/Background Image upload frames.

Adds an option to `wp.media.view.AttachmentsBrowser` to hide the date filter added in [29813].

see #30689.
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git-svn-id: http://core.svn.wordpress.org/trunk@30862 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clarify the behaviour of the `wp_editor_set_quality` and `jpeg_quality` filters.

Props DH-Shredder
See #29856

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Correct the height of the search type `select` element when searching the plugin directory.

See #30719
Props pavelevap, eliorivero

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Autoprefixer for [30857].

see #30435.
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git-svn-id: http://core.svn.wordpress.org/trunk@30872 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Customizer: Add `_wp_attachment_is_custom_background` meta to uploaded background images.

Adds `$type` property to `WP_Customize_Background_Image_Control` (PHP) and introduces `wp.customize.BackgroundControl` (JS).

see #30707.
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git-svn-id: http://core.svn.wordpress.org/trunk@30873 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update Akismet external to 3.0.4 in trunk.


git-svn-id: http://core.svn.wordpress.org/trunk@30874 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add braces around a Docblock in an if statement, although not required by PHP, this is required by our coding standards for readability.
Introduced in 3.9 with r27365
See #25905

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git-svn-id: http://core.svn.wordpress.org/trunk@30876 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Finalize two more about page strings. see #30435.

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git-svn-id: http://core.svn.wordpress.org/trunk@30877 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Updates to the 'Log out everywhere' implementation.
 * Include a message and a disabled button when you're only logged in at one location.
 * Avoid leaking the session token in HTML.
 * Simplify, simplify, simplify.

see #30264.

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git-svn-id: http://core.svn.wordpress.org/trunk@30878 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update/add plugin recommendation strings.

Update [30887], add a translation function to the Vine string.

fixes #30337. see #30435.

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Call it 'Distraction-free writing mode' and update the help string. fixes #30657.

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