Autocomplete: Remove handling for NUMPAD_ENTER.
Remove environment-specific files from .gitignore.
Datepicker: Fixed Lithuanian translation. Fixes #9281 - Datepicker i18n: Incorrect settings for Lithuanian locale.
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.
Accordion: Removing unused ui-accordion-noicons class.
(cherry picked from commit e8c4d21bf495719c7746134e08cd32097c8bf980)
Autocomplete: Scope race condition handling to the instance. Fixes #9334 - Autocomplete: Multiple instances should be able to start asynchronous requests simultaneously.
Resizable: Fixed sign error on offset calculation. Fixes #9307 - Resizable: Erratic behavior of contained elements within scrollable grandparents
Droppable: Defer querying of offsetWidth and offsetHeight until they're required. Fixes #9339 - Droppable: offsetWidth and offsetHeight are queried unnecessarily causing synchronous reflow.
Droppable: Style guide conformance.
Datepicker: Replicate fr-locale changes to the demo copy. Adjust unit tests to match the new lowercase names. Fixes #9289 - Datepicker: Incorrect capitalisation for French and Spanish
Build: Don't pass undefined to grunt's  method in error cases. Must be  for the task to fail.