Simplify error in validate_file_to_edit().

props MattyRob for initial patch.
fixes #25924.

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Remove theme support for 'menus' in unregister_nav_menu() when there are no more menus.

props kovshenin.
fixes #26900.

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Use filtered per_page value in WP_Plugin_Install_List_Table and WP_Theme_Install_List_Table.

props brasofilo.
fixes #25675.
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git-svn-id: http://core.svn.wordpress.org/trunk@27078 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Convert docs for `wp_nav_menu()` arguments to a hash notation.

Fixes #27163.

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git-svn-id: http://core.svn.wordpress.org/trunk@27079 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix reversed return logic in the `wp_nav_menu()` phpdoc.

See #27163.

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Remove unused code from WP_Widget::update_callback().

props OriginalEXE.
fixes #24733.
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Allow any vimeo.com subdomain for embeds.

props danielbachhuber.
fixes #24170.

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git-svn-id: http://core.svn.wordpress.org/trunk@27082 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Embolden some instructions when installing a network.

props Ipstenu.
fixes #27057.

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git-svn-id: http://core.svn.wordpress.org/trunk@27083 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unused variable.

props ericlewis.
fixes #27176.

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Make sure color schemes are registered when WP_Styles is initialized early.

fixes #27175. see #26669.

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Make nav menu item add tabs and content consistent with similar tabs on the post edit screen. props corvannoorloos for the initial patch. fixes #26757.

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Remove unnecessary assignment and concatenation from the_date() and get_the_date().

props juliobox.
fixes #27181.
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git-svn-id: http://core.svn.wordpress.org/trunk@27087 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct @return value for get_the_date().

props TobiasBg.
fixes #27181.
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Revert [27228], as it doesn't work with SCRIPT_DEBUG off.

see #27175.
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