Inline documentation for hooks in wp-includes/user.php.

Props stephenharris, kpdesign.
Fixes #25533.

Built from https://develop.svn.wordpress.org/trunk@26901


git-svn-id: http://core.svn.wordpress.org/trunk@26784 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-includes/feed.php.

Props stevenkword, kpdesign, DrewAPicture.
Fixes #26253.

Built from https://develop.svn.wordpress.org/trunk@26902


git-svn-id: http://core.svn.wordpress.org/trunk@26785 1a063a9b-81f0-0310-95a4-ce76da25c4cd