Prefix the `notoptions` cache key in the multisite `site-options` group with `$wpdb->siteid` to avoid collisions and race conditions when using a fancy multi-network setup. Adds unit test.

Fixes #25883.


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git-svn-id: http://core.svn.wordpress.org/trunk@26209 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Widgets:
- Prevent dragging of the widget-in-question when the chooser is open.
- Don't show more than one spinner when saving widgets positions.
- Disable selecting of text in the widget title. Prevents selecting/highlighting most of the screen when dragging on slower devices.
See #25821.
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git-svn-id: http://core.svn.wordpress.org/trunk@26210 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `update_meta_cache()`, ensure that meta is always stored in the same order. Removes an unnecessary `$wpdb->prepare` statement. Adds unit test.

Props mattheu.
Fixes #25511.


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git-svn-id: http://core.svn.wordpress.org/trunk@26211 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Combine border and box-shadow styles for inputs, textareas, and selects. Set border-radius to 0 on these elements to override default styling in iOS. See #24387.
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git-svn-id: http://core.svn.wordpress.org/trunk@26212 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update the media upload interfaces to match new admin design:

* Replace separate progress bar designs on media-new.php and modal media uploader with a single consistent design
* Remove side borders from list of uploads on media-new.php
* Restyle the selected photo border and checkbox on modal media uploader
* Add a Media Uploader section to color schemes with progress bar and selected photo styles

Fixes #26147. Props melchoyce, iammattthomas.


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git-svn-id: http://core.svn.wordpress.org/trunk@26213 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Making a few more adjustments to the uploader progress bar styles. See #26147.
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git-svn-id: http://core.svn.wordpress.org/trunk@26214 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make sure color schemes get the 1px white border around checkboxes on the media uploader. See #26147.
Built from https://develop.svn.wordpress.org/trunk@26311


git-svn-id: http://core.svn.wordpress.org/trunk@26215 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct @return value for wp_credits(). props morganestes. fixes #26150.
Built from https://develop.svn.wordpress.org/trunk@26312


git-svn-id: http://core.svn.wordpress.org/trunk@26216 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use static strings instead of a impossible-to-translate string in the Automatic updates debug email. Props SergeyBiryukov. Fixes #25667

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git-svn-id: http://core.svn.wordpress.org/trunk@26217 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes page: Don't display the Author as a link if the Author has no AuthorURI set. Props morganestes. Fixes #26098

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git-svn-id: http://core.svn.wordpress.org/trunk@26218 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix the editor switching tabs position on small screens, props ryelle, fixes #26151.
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git-svn-id: http://core.svn.wordpress.org/trunk@26219 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes: Move the escaping of content from JS back to PHP. This allows us to take advantage of the display() WP_Theme method to translate the text properly, and to strip out any HTML tags we don't wish to display. Fixes #26100. See #25948

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git-svn-id: http://core.svn.wordpress.org/trunk@26220 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Theme Installer: Fix the Theme Preview function, and bring the button handling/styling inline with the Customizer. Fixes #26129

Built from https://develop.svn.wordpress.org/trunk@26317


git-svn-id: http://core.svn.wordpress.org/trunk@26221 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Restore "Skip to toolbar" link color. fixes #26146.
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git-svn-id: http://core.svn.wordpress.org/trunk@26222 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes: Remove some unused invalid CSS. See #25948

Built from https://develop.svn.wordpress.org/trunk@26320


git-svn-id: http://core.svn.wordpress.org/trunk@26223 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Increase the click target to 100% of the add-new-theme element. Props scottbasgaard. Fixes #25960

Built from https://develop.svn.wordpress.org/trunk@26321


git-svn-id: http://core.svn.wordpress.org/trunk@26224 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove gradient for invalid menu items. props melchoyce. fixes #26144.
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git-svn-id: http://core.svn.wordpress.org/trunk@26225 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix thickbox positioning on Manage Themes screen. Adjust thickbox resizing code on various screens for new toolbar height.

see #26078. fixes #26140.
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git-svn-id: http://core.svn.wordpress.org/trunk@26226 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix keyboard accessibility for row actions in list tables. Restore the CSS part of [25592], accidentally reverted in [26072].

fixes #26145.
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git-svn-id: http://core.svn.wordpress.org/trunk@26227 1a063a9b-81f0-0310-95a4-ce76da25c4cd