Actually display customizer section descriptions in a meaningful way. props obenland, helen. fixes #24392.

Built from https://develop.svn.wordpress.org/trunk@25102


git-svn-id: http://core.svn.wordpress.org/trunk@25084 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add network name to <title> tags in the network admin and user admin (global dashboard).

props johnbillion.
fixes #19753.


Built from https://develop.svn.wordpress.org/trunk@25103


git-svn-id: http://core.svn.wordpress.org/trunk@25085 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add filters to the recipients of emails sent by wp_notify_postauthor() and wp_notify_moderator().

The new filters are called comment_notification_recipients and comment_moderation_recipients.

Add the context of $comment_id to the comment_moderation_headers filter, to match the comment_notification_headers filter.

props chipbennett.
fixes #22922, #20353.


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git-svn-id: http://core.svn.wordpress.org/trunk@25086 1a063a9b-81f0-0310-95a4-ce76da25c4cd