Bump Akismet external in trunk (3.9-RC2) to 3.0.0.


git-svn-id: http://core.svn.wordpress.org/trunk@27969 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Cast wp_count_attachments() before iterating it to avoid a notice when items exist without a mime type.

props bobbingwide.
fixes #27802.

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Add missing string translation in widgets.

see #27453, #27112.

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Theme Installer: Fixes for browsers without pushState.

props gcorne.
see #27055.

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TinyMCE: fix icons in IE7, fixes #27829
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Widgets: Remove create_function() from the customizer class.

props westonruter.
fixes #27805.

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Graceful failures for TinyMCE views of video/audio playlists.

props gcorne.
fixes #27821.

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Translate a string added in 3.7.1 but never translated previously.

props SergeyBiryukov.
fixes #27819.

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About page: Use a better preposition to describe drag-and-drop.

see #27713.

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Theme Installer: Properly call router navigation.

props gcorne.
see #27055.

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Widgets: Better padding for translations of "Reorder".

fixes #27788.

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Ensure that `wp.media.view.settings.post` is set before accessing the post's id

Avoids JS error in cases where media-editor is loaded individually
instead of with the whole `wp_enqueue_media()` process.

fixes #27836. props nacin
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Final about page.

props melchoyce, helen, wonderboymusic, nacin, and the illustrious Michael Pick.
fixes #27713, #27837.

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git-svn-id: http://core.svn.wordpress.org/trunk@27981 1a063a9b-81f0-0310-95a4-ce76da25c4cd
About page: Don't use wp_playlist_scripts() as that prints stuff.

fixes #27713.

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git-svn-id: http://core.svn.wordpress.org/trunk@27982 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent customizer header image list from listing user images twice when no theme-specified images exist

fixes #27839. props mcsf
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WordPress 3.9.

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Trunk is now 4.0-alpha.

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Don't set the poster image for videos in a playlist if the image is the video mime-type icon blown up.

See #27892.


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