Remove unnecessary array_reverse() from wp_get_post_revisions().

WP_Query properly handles multiple 'orderby' values since [28541].

fixes #26042.
Built from https://develop.svn.wordpress.org/trunk@28543


git-svn-id: http://core.svn.wordpress.org/trunk@28369 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`$theme_name` is set but no longer used in `wp_dashboard_right_now()`. The theme name is displayed with the call to `update_right_now_message()`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28370 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wp_dashboard_recent_posts()`, `$i` is set and never used.

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28545


git-svn-id: http://core.svn.wordpress.org/trunk@28371 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `WP_Customize_Manager::register_controls()`, `$menu_locations` is set and never used.

Built from https://develop.svn.wordpress.org/trunk@28546


git-svn-id: http://core.svn.wordpress.org/trunk@28372 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`break` is unreachable in `WP_Theme::translate_header()`.

See #27882.

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git-svn-id: http://core.svn.wordpress.org/trunk@28373 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `get_attachment_icon_src()`, `$class` is set in 2 conditions but never used.

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28548


git-svn-id: http://core.svn.wordpress.org/trunk@28374 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`$gallery_div` is set twice in `gallery_shortcode()` before it is used.

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28549


git-svn-id: http://core.svn.wordpress.org/trunk@28375 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`$count` is set in `get_post_galleries()` and never used, relic from PFUI RIP.

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28550


git-svn-id: http://core.svn.wordpress.org/trunk@28376 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `is_user_option_local()`, `$user_id` is set conditionally, but never used.

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28551


git-svn-id: http://core.svn.wordpress.org/trunk@28377 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Support oEmbed matching for YouTube playlist URLs.
 
Fixes #28125.

Built from https://develop.svn.wordpress.org/trunk@28552


git-svn-id: http://core.svn.wordpress.org/trunk@28378 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix parsing in `wp_match_mime_types()` to allow some mime-types with `+` in them to appear in the list of filter links shown above the list table on `upload.php`.	

Props _duck.
Fixes #20672.


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git-svn-id: http://core.svn.wordpress.org/trunk@28379 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add Issuu to list of whitelisted oEmbed providers.

Props issuu.
Fixes #28312.


Built from https://develop.svn.wordpress.org/trunk@28554


git-svn-id: http://core.svn.wordpress.org/trunk@28380 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Support Polldaddy's short URL format as a whitelisted oEmbed provider.

Props donncha.
Fixes #28283.


Built from https://develop.svn.wordpress.org/trunk@28555


git-svn-id: http://core.svn.wordpress.org/trunk@28381 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Viddler has had a new oEmbed endpoint for at least 10 months. Let us update to it.

Props garhdez.
Fixes #24296.

Built from https://develop.svn.wordpress.org/trunk@28556


git-svn-id: http://core.svn.wordpress.org/trunk@28382 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add CollegeHumor.com oEmbed support. Fixes #24497. Props johnzanussi.
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git-svn-id: http://core.svn.wordpress.org/trunk@28383 1a063a9b-81f0-0310-95a4-ce76da25c4cd