* Fix XSS bug: Properly encode title used in Quick/Bulk Edit, and offer additional saniziation to various fields. Affects users of the Author or Contributor role. (r17397, r17406, r17412)
* Fix XSS bug: Preserve tag escaping in the tags meta box. Affects users of the Author or Contributor role. (r17401)
* Fix potential information disclosure of posts through the media uploader. Affects users of the Author role. (r17393)
* Enhancement: Force HTML filtering on comment text in the admin (r17400)
* Enhancement: Harden check_admin_referer() when called without arguments, which plugins should avoid. (r17387)
* Update the license to GPLv2 (or later) and update copyright information for the KSES library.