Core: Removed $.ui.keyCode.NUMPAD_*. Fixes #9269 - Remove number pad key codes.
Updated AUTHORS.txt.
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.
Active elements now blur when clicking on or dragging a draggable (#4261).
Active elements now blur when clicking on or dragging a draggable (#4261).
Clicking on a draggable anchor without moving it should make it the active element (Fixes #8399).
Made #985 compliant with jQuery UI team's style guide.