Menus: Improve performance for title live updating. Add `change` event for IE < 9.

props helen, SergeyBiryukov.
fixes #23076.
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Update Akismet external to 3.0.2.


git-svn-id: http://core.svn.wordpress.org/trunk@29447 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Install: Only show the language chooser when we have access to the filesystem without asking for credentials.

fixes #29397.
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Modals: Remove some remnant unnecessary blue glow focus styling.

fixes #29147.

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Language Pack Upgrader: Check return value before accessing the first array key.

Prevents a fatal error when Language_Pack_Upgrader::bulk_upgrade() returns a WP_Error object.

fixes #29470.
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Plugin install: Make sure h3's clear floats to avoid layout problems.

props SergeyBiryukov.
fixes #29465.

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Revert [28840]; wp_localize_script() must be called on a registered handle.

see #24724.

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Media: Ensure media-views is enqueued and registered before localizing.

fixes #24724.

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Plugin install: Better styling to accommodate plugin icons.

fixes #29466.

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Media Modal: Fix 'Insert from URL' oEmbed previews.

props johnbillion, azaozz.
fixes #29473.

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Ensure oEmbed previews listen to [embed] width/height attributes.

props azaozz.
fixes #29474.

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Bump versions and POT files for all bundled themes. fixes #29478.

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Only media grid (not modal) should show "Uploaded by" and "Uploaded to".

props wonderboymusic.
fixes #29482.

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About page: Remove reference to not-yet-operational translated plugins/themes directories.

props stephdau.
see #29391.

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Language Pack Upgrader: Remove ALL pre-existing filters before performing a translation update these filters may act in an unexpected way during the upgrade process.
See #29230. Fixes #29425.

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Media: Avoid repeated thumbnail resizing.

props avryl, wonderboymusic, azaozz.
fixes #27423.

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Media: Better padding for attachment items.

props avryl.
fixes #29085.

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MediaElement: Revert upstream commit b7f82b4 to restore the status quo for Chromium support.

fixes #29110.

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MediaElement: Bump version. see #29110.

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Media Library: Fix media trash handling.

props ocean90, obenland.
fixes #29469.

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