Branching 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19591 602fd350-edb4-49c9-b593-d223f7449a82
Assign the full WP_User object to the  userdata global. Props scribu. fixes #19595 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19625 602fd350-edb4-49c9-b593-d223f7449a82
Don't cast objects to int.

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19634 602fd350-edb4-49c9-b593-d223f7449a82
Replace background image with CSS3 gradient in wp_die(), fixes #19701 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19636 602fd350-edb4-49c9-b593-d223f7449a82
Define json_encode() in load-scripts.php. fixes #19524 for 3.3.

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19637 602fd350-edb4-49c9-b593-d223f7449a82
An empty database prefix is not supported for multisite. <small>Add a sanity check anyway.</small> fixes #19566 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19643 602fd350-edb4-49c9-b593-d223f7449a82
Make sure that _render() is only called with a valid root object. As in, render() can only be validly called once and must not fail on the second call. props SergeyBiryukov, fixes #19642 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19644 602fd350-edb4-49c9-b593-d223f7449a82
Better checking for values for multisite upload limits. fixes #19538 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19645 602fd350-edb4-49c9-b593-d223f7449a82
Only allow _multisite_ super admins to demote themselves on a site. props linuxologos, fixes #19684 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19646 602fd350-edb4-49c9-b593-d223f7449a82
Immediately close a flyout when opening another one. Prevents brief occurrence of two flyouts at once. Props SergeyBiryukov. fixes #19575 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19648 602fd350-edb4-49c9-b593-d223f7449a82
Trigger the wp_print_syles action from wp_print_styles() only when handles are not passed. Prevents front-end styles from leaking into the admin. Props nacin. see #19510 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19650 602fd350-edb4-49c9-b593-d223f7449a82
Bump some vers

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19651 602fd350-edb4-49c9-b593-d223f7449a82
Revert half of [19639]. If the blog_upload_space site_option is '0', restore 50 as a default. see #19538 for 3.3.

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19654 602fd350-edb4-49c9-b593-d223f7449a82
Properly handle a blank nav menu custom URL when determining what page we're on. fixes #19699 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19658 602fd350-edb4-49c9-b593-d223f7449a82
Remove esc_js() as this content now gets json encoded rather than a straight echo. props ocean90. fixes #19644, for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19659 602fd350-edb4-49c9-b593-d223f7449a82
Fix widget count on dashboard to account for orphaned widgets. fixes #19553 for trunk

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19660 602fd350-edb4-49c9-b593-d223f7449a82
Bumpity bump

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19661 602fd350-edb4-49c9-b593-d223f7449a82
Fix tabbing for comment reply and edit. fixes #19727 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19666 602fd350-edb4-49c9-b593-d223f7449a82
3.3.1 bump

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19667 602fd350-edb4-49c9-b593-d223f7449a82
Fix header/message alignment in Press This. fixes #19725 for 3.3

git-svn-id: https://develop.svn.wordpress.org/branches/3.3@19668 602fd350-edb4-49c9-b593-d223f7449a82