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.


Built from https://develop.svn.wordpress.org/trunk@26304


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.
Built from https://develop.svn.wordpress.org/trunk@26306


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.


Built from https://develop.svn.wordpress.org/trunk@26307


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.
Built from https://develop.svn.wordpress.org/trunk@26308


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.
Built from https://develop.svn.wordpress.org/trunk@26310


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