Fix copy/paste error in a comment.

see #28581.
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git-svn-id: http://core.svn.wordpress.org/trunk@28590 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Restore the ability to pass classes to admin menu submenu items, important for the Customize link. Accidentally left out in [24048]. fixes #28583.

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git-svn-id: http://core.svn.wordpress.org/trunk@28591 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix variable usage in new language install choices. see #28577.

Built from https://develop.svn.wordpress.org/trunk@28779


git-svn-id: http://core.svn.wordpress.org/trunk@28592 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Narrower screen when choosing a language. see #28577.

Built from https://develop.svn.wordpress.org/trunk@28780


git-svn-id: http://core.svn.wordpress.org/trunk@28593 1a063a9b-81f0-0310-95a4-ce76da25c4cd