Datepicker: Use tabs for indentation.
All: Convert single quotes to double quotes.
Tests: Convert single quotes to double quotes.
Spinner: Update button icons when option changes. Fixes #8926 - Spinner: Can't change icons option after init
Draggable Tests: Fix IE7 offset failures
Spinner: Trigger start/spin/stop events when calling step/page methods. Fixes #8901 - Spinner does not fire start/spin/stop events when calling stepUp()/Down(), pageUp()/Down() methods
Menu: Allow changing icons option after creation. Fixes #8927 - Menu: Can't change icons option after init
Create mouseHandled flag per instance instead of globally. Fixes #8866 - Menu: select event not firing due to mouseHandled flag reset bug
Accordion: Fix testsuite overflow issue in IE7.
Theme: Split opacityOverlay from opacityFilterOverlay on theme styles.
Tabs: Update manipulation demo - use delegate instead of live (can't use on until we drop core 1.6 support), reuse selected element
Tabs: Update manipulation demo - implement alt+del shortcut to remove active tab. Fixes #7847 - Tabs: simple manipulation accessibility
Add comment explaining the mouseHandled flag
Selectable tests: Removed a non-existent script tag causing a 404 in the tests.
Selectable: Account for scrolling on the helper's initial position. Fixed #8915 - Selectable: Lasso offset issue with scrolling.
Draggable Tests: Cover all cursorAt option formats.
Merge branch 'master' into interactions

Conflicts:
	tests/unit/draggable/draggable_options.js
	ui/jquery.ui.draggable.js
	ui/jquery.ui.droppable.js
	ui/jquery.ui.sortable.js