Position: Use absolute positioning when getting scrollbar width to avoid reflows of user content. Fixes #9291 - Position - $.position.scrollbarWidth detection causes layout issues.
Revert "Position: Use absolute positioning when getting scrollbar width to avoid reflows of user content. Fixes #9291 - Position - $.position.scrollbarWidth detection causes layout issues."

This reverts commit 1d3b8ff78eaa3d64a839ba34af34d1e8b24f82af.
Position: Use absolute positioning when getting scrollbar width to avoid reflows of user content. Fixes #9291 - Position - $.position.scrollbarWidth detection causes layout issues.
Sortable demo (portlets): Cleanup.
Datepicker i18n: Updated Spanish and French locales. Fixes #9289 - Datepicker: Incorrect capitalisation for French and Spanish.
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' into selectmenu