Improve styling of progress bar on wp-admin/media-new.php.

props Ipstenu for initial patch.
fixes #28838.
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git-svn-id: http://core.svn.wordpress.org/trunk@28906 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't use box shadow focus styling for widget arrows, see #28267.

fixes #28834.
props nvwd.
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git-svn-id: http://core.svn.wordpress.org/trunk@28907 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use correct ID for plugin search input label.

Make the search button name and ID consistent with the ones in WP_List_Table::search_box().

props joedolson.
fixes #28856.
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git-svn-id: http://core.svn.wordpress.org/trunk@28908 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Themes: Don't set background color for the filter icon.

fixes #28860.

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git-svn-id: http://core.svn.wordpress.org/trunk@28909 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Improvements to the plugin information modal:

* Whitespace/braces cleanup for [29040].
* Reduce width of modal to 792px, which is the default banner size.
* Reduce banner height when screen height is smaller than 500px.
* Remove inline CSS.
* Re-use tab var in JS.
* Encode ampersands in links.

props avryl, michalzuber, ocean90.
see #27440.

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git-svn-id: http://core.svn.wordpress.org/trunk@28910 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE wpView: fix selecting views on click, part props avryl, see #28595
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git-svn-id: http://core.svn.wordpress.org/trunk@28911 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE wpView: better handling of the Enter key, props avryl, see #28595
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Convert default arguments documentation for `get_terms()` into a hash notation.

See #28841.

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git-svn-id: http://core.svn.wordpress.org/trunk@28913 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add indentation for the hash notation missed in [29128].

See #28841.

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