Inline documentation for hooks in wp-includes/theme.php.

Props ShinichiN.
Fixes #25588.

Built from https://develop.svn.wordpress.org/trunk@26501


git-svn-id: http://core.svn.wordpress.org/trunk@26395 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-includes/ms-blogs.php.

Props miyauchi, kpdesign.
Fixes #25596.

Built from https://develop.svn.wordpress.org/trunk@26502


git-svn-id: http://core.svn.wordpress.org/trunk@26396 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-admin/includes/user.php.

Props aaronholbrook for the initial patch.
Fixes #26099.

Built from https://develop.svn.wordpress.org/trunk@26503


git-svn-id: http://core.svn.wordpress.org/trunk@26397 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes: Fix HTML markup for screenshots. props kovshenin. fixes #25959.
Built from https://develop.svn.wordpress.org/trunk@26504


git-svn-id: http://core.svn.wordpress.org/trunk@26398 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Widgets: improve the help text on the Widgets screen, props siobhan, props Hanni, fixes #26244.
Built from https://develop.svn.wordpress.org/trunk@26505


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.
Built from https://develop.svn.wordpress.org/trunk@26506


git-svn-id: http://core.svn.wordpress.org/trunk@26400 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes: Fix position of admin notice with .error class. fixes #26304.
Built from https://develop.svn.wordpress.org/trunk@26507


git-svn-id: http://core.svn.wordpress.org/trunk@26401 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix Customize link in theme info window. props kovshenin. see #25948.
Built from https://develop.svn.wordpress.org/trunk@26508


git-svn-id: http://core.svn.wordpress.org/trunk@26402 1a063a9b-81f0-0310-95a4-ce76da25c4cd