Widget: Properly set widgetEventPrefix when redefining a widget. Fixes #9316 - Widget: widgetEventPrefix is empty when widget is (occasionally) loaded twice.
Interactions: Fixed an off-by-one error in isOverAxis.
Draggable: enabled draggable from within iframe. Fixed #5727 - draggable: cannot drag element inside iframe
Tabs: Restore anchor cloning for remote tab testing. Fixes #9317 - Tabs: Incorrect remote tab detection in IE7.
Dialog: Add type="button" to the close button. Fixed #9312: Dialog: closes on enter in textbox in IE.
Merge branch 'master' of github.com:jquery/jquery-ui