Remove ancient 'lookup' quicktag from the text editor. This had called up answers.com.

props mboynes, jonbishop, SergeyBiryukov.
fixes #23322.



git-svn-id: http://core.svn.wordpress.org/trunk@24052 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add wp_registration_url() and register_url filter.

props scribu, JustinSainton, SergeyBiryukov.
fixes #17950.



git-svn-id: http://core.svn.wordpress.org/trunk@24053 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Document that fetch_feed() can accept multiple URLs, thus leveraging SimplePie's multifeed feature. props JustinSainton, fixes #22140.



git-svn-id: http://core.svn.wordpress.org/trunk@24054 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Image editors: multi_resize() should require height and width. Crop is now optional and defaults to false. props DH-Shredder. fixes #23884.



git-svn-id: http://core.svn.wordpress.org/trunk@24055 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add user_search_columns filter to WP_User_Query::prepare_query().

props aaroncampbell.
fixes #16366.



git-svn-id: http://core.svn.wordpress.org/trunk@24056 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Return false in get_post_format() if the post does not exist.

props adamsilverstein, ericlewis.
fixes #23255.



git-svn-id: http://core.svn.wordpress.org/trunk@24057 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Adjust some strings in wp-signup.php.
 * Remove double space.
 * Remove outer HTML.

props pavelevap, SergeyBiryukov.
fixes #22306.



git-svn-id: http://core.svn.wordpress.org/trunk@24058 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Wait until keyup to set the slug input on the post page, otherwise the final character is not stored. props SergeyBiryukov, fixes #23613.



git-svn-id: http://core.svn.wordpress.org/trunk@24059 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Redirect after save on options-permalink.php to ensure permalinks are fully flushed. fixes #9296. see #14345 for more.



git-svn-id: http://core.svn.wordpress.org/trunk@24060 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta1-24060.

git-svn-id: http://core.svn.wordpress.org/trunk@24061 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix some mangled HTML in image format posts compat.

props SergeyBiryukov. fixes #24147.

git-svn-id: http://core.svn.wordpress.org/trunk@24062 1a063a9b-81f0-0310-95a4-ce76da25c4cd