…ated opening and closing of a modal dialog, focus navigation using tab becomes slow.

…elected value overwritten/not correctly set.

…x option leaves iframes in DOM when using a selector.

… tabs: wrong default active li if ul contains extraneous elements.

* Replaces the old theme tasks with generate_themes.
* Drops useless download_docs task
* Drops request module

…dget :active { outline: none; } causes slowness in FF.

With hash symbol in front of link and 10-char commit hash.

…s #8613 - Destroying a dialog removes the original element from the DOM.

…cordion animation a bit jumpy in some browsers.

…x tests that punch .animate().

…n. Fixes #8616 - Remote autocomplete example can leave pending request tracking out of sync.

…le for the position errors in IE8

…esponsible for the position errors in IE8"

This reverts commit a8f5e3c.

Did not have any effect on TestSwarm

…622 - Tooltip tracks mouse when the element has focus.

…Fixes #8626 - Programatically opening a tooltip with out giving an event results in a javascript error.

… method is not clearing up the data properties.

…0 dialog on a XHTML page is broken if buttons are defined

…he initially active tab. Fixes #8568 - jQuery ui tabs: wrong default active li if ul contains extraneous elements.

…es #8571 - Out of range problem in when dragging a nested sortable.

…plicated placeholders. Fixes #7777 - Draggable and Nested Sortables bug.

… algorithm to better support sorting among nested sortables. Fixes #8572 - Wrong placeholder positions. Fixes #8573 - Can't drag an item out of an inner sortable. Fixes #8574 - Hard to put an item between two inner sortables.

Use the item which has the least distance between the mouse
pointer and one of its borders to rearrange, with direction being
determined by the nearest border.
Also we use this algorithm to rearrange even when currentContainer
is not changed to override the defective rearrangment in
_mouseDrag

…48 - Accordion Collapsed Color Issue.

…xes #5473 - Datepicker: Date range demo bug when clearing date.

…'t affect layout. Fixes #8656 - Initial position of autocomplete is incorrect.

… location.hash. Fixes #8660 - Tabs: Set initial active tab from location hash for ajax tabs.