Twenty Fifteen: Use a p for the site description for a better experience when using a screenreader.

Props rianrietveld, fixes #30057, see #30065.

Built from https://develop.svn.wordpress.org/trunk@30009


git-svn-id: http://core.svn.wordpress.org/trunk@30009 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: removing Skype from the list of social links is easier than adding skype to $allowed_protocols.

Props iamtakashi, fixes #30059.


Built from https://develop.svn.wordpress.org/trunk@30010


git-svn-id: http://core.svn.wordpress.org/trunk@30010 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: darken up the post navigation with thumbnail for better a11y.

Props davidakennedy, fixes #30069.

Built from https://develop.svn.wordpress.org/trunk@30011


git-svn-id: http://core.svn.wordpress.org/trunk@30011 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: correct list indentation in older IE versions.

Props iamtakashi, fixes #30074.


Built from https://develop.svn.wordpress.org/trunk@30012


git-svn-id: http://core.svn.wordpress.org/trunk@30012 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: valid HTML for accessible child page menu expanding and collapsing -- now with even better accessiblity.

Props afercia, davidakennedy, iamtakashi, fixes #30083.


Built from https://develop.svn.wordpress.org/trunk@30013


git-svn-id: http://core.svn.wordpress.org/trunk@30013 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add the ability for a customizer control to render its controls via a JavaScript template. Switches the default color picker control to a JavaScript template. See #29572. Props celloexpressions
Built from https://develop.svn.wordpress.org/trunk@30014


git-svn-id: http://core.svn.wordpress.org/trunk@30014 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove padding from the comment notification emails which is from a bygone fixed-width font era. Prevents alignment issues in email clients which use vairable width fonts for plain text emails. Fixes #16721. Props DrewAPicture.
Built from https://develop.svn.wordpress.org/trunk@30015


git-svn-id: http://core.svn.wordpress.org/trunk@30015 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Accept 'orderby=include' in `WP_User_Query`.

This lets the results of a user query be sorted manually by the value of the
'include' param.

Props jipmoors.
Fixes #30064.
Built from https://develop.svn.wordpress.org/trunk@30016


git-svn-id: http://core.svn.wordpress.org/trunk@30016 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Streamline `WP_User_Query` unit tests.

* Don't create user during setUp(), as it's not used in every test.
* Create fewer users in `get_all` and `orderby` tests.

See #30017.
Built from https://develop.svn.wordpress.org/trunk@30017


git-svn-id: http://core.svn.wordpress.org/trunk@30017 1a063a9b-81f0-0310-95a4-ce76da25c4cd