Slider: Remove unnecessary 3rd argument in _slide method when calling this.values()
Revert "Slider: Remove unnecessary 3rd argument in _slide method when calling this.values()"

This reverts commit b715e1d3cc54245c54d3981aa341f3a812dba499.

Reverting to fix author email address to avoid CLA issues in the future.
Slider: Remove unnecessary 3rd argument in _slide method when calling this.values()
Sortable: Fix typo and break lines in comment.
Demos: Fixed small typo.