Sortable: update placeholder when axis is x or y for connected lists. Fixed #8301 - Placeholder doesn't move when using connectWith option
Draggable: Handle containment set to false after init, and style improvements. Fixes #8962 - Containment doesn't properly update
Datepicker demo: Corrected the Arabic word for Arabic.
Draggable Tests: Test that removing an element on drop doesn't cause a draggable error. Fixes #9159 - Draggable Tests: Write test case for #8269
Draggable Tests: Minor style fixes and removing unnecessary setup and teardown for core tests.
Datepicker demo (localization): Add English as an option.
Whitespace.
Build: Use globals instead of predef for JSHint.
Core: Updated comment about $.ui.plugin.
Core: Removed $.ui.hasScroll(). Fixes #9190 - Core: Remove $.ui.hasScroll().
Tests: Handle globals in .jshintrc.
Accordion: Maintain collapsed state on refresh. Fixes #9189 - Accordion: refresh() method incorrectly opens collapsed accordion.