TinyMCE: style the modals to match WordPress admin (first-run). Fix couple of IE problems in tiny_mce_popup.js. Props avryl, see #26952, see #24067
Built from https://develop.svn.wordpress.org/trunk@27190


git-svn-id: http://core.svn.wordpress.org/trunk@27049 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct return values for update_metadata() and related functions.

fixes #21864.
Built from https://develop.svn.wordpress.org/trunk@27191


git-svn-id: http://core.svn.wordpress.org/trunk@27050 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct @since value. see #26869.
Built from https://develop.svn.wordpress.org/trunk@27192


git-svn-id: http://core.svn.wordpress.org/trunk@27051 1a063a9b-81f0-0310-95a4-ce76da25c4cd