Inline documentation for hooks in wp-admin/includes/user.php.

Props aaronholbrook for the initial patch.
Fixes #26099.

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Themes: Fix HTML markup for screenshots. props kovshenin. fixes #25959.
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Widgets: improve the help text on the Widgets screen, props siobhan, props Hanni, fixes #26244.
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git-svn-id: http://core.svn.wordpress.org/trunk@26399 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Improve the admin color scheme picker:
- Easier to extend.
- Remove the "drop-down" look, show all choices inline.
- Some PHP and JS cleanup.
Props ryelle, fixes #26336.
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Themes: Fix position of admin notice with .error class. fixes #26304.
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Fix Customize link in theme info window. props kovshenin. see #25948.
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Add braces around a conditional hook. This wasn't causing an issue as `if ( conditional ) /* multiline comment */ command();` is perfectly OK, but left open doubt and potential future bugs. See #25229


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Fix lingering reference problem in `wp_get_object_terms()` by not setting the `foreach`'d vars to a reference. Adds unit test.

Props stephenharris.
Fixes #26339.


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When `WP_DEBUG` is set to `true`, suppress deprecated errors from firing when calling `mysql_connect()`, which is officially deprecated in PHP 5.5. We will remove this shameful code as soon as is humanly possible.

Props wonderboymusic. Extra love to tierra and nacin.
Fixes #26322.


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Themes: Fix the routing for Themes in a sub-directory (/wp-content/themes/prefix/theme-name/style.css) and navigate to hash-url's for searches. See #25948

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Themes: We no longer have a delete link on the multi-grid view. See #25948

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Themes: For searches, replace the document hash, don't add a new history event for each keypress. See #25948

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Make the responsive menu usable with a mouse, fix non-folded and :focus styles, toggle the submenus on touchend/click. Fixes #26086.
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Themes: Add a updated Help text. Props designsimply & hanni. See #26285

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Remove all screen_icon() calls and deprecate the functions, props TobiasBg, fixes #26119
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Themes: Make the Theme Detail view div use more of the available viewport, Fix the Header and Footer in the viewport and only scroll the theme details, Prefix some more theme CSS classes. Props shaunandrews for the initial viewport patch. Fixes #25961, #26192

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Themes: Indent the HTML for proper indentation after r26519 added an extra div. See #25961, #26192

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Themes: Bail if the search term matches the currently rendered themes, Fixes the events being clobbered. Props jblz. Fixes #26347

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Themes: Remove some HTML from a new string and put it in the replacement value instead. See #25948

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Themes: Standardise on dot notation for object access in the Templates. See #25948

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