Inline documentation for hooks in wp-includes/class-wp-customize-setting.php.

Props kpdesign for the cleanup.
Fixes #27295

Built from https://develop.svn.wordpress.org/trunk@27432


git-svn-id: http://core.svn.wordpress.org/trunk@27279 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for hooks in wp-includes/class-wp-customize-manager.php.

Props kpdesign for the typo fix.
Fixes #27296.

Built from https://develop.svn.wordpress.org/trunk@27433


git-svn-id: http://core.svn.wordpress.org/trunk@27280 1a063a9b-81f0-0310-95a4-ce76da25c4cd