jQuery.unique: rename to jQuery.uniqueSort and deprecate jQuery.unique

[timmywil]

jQuery.unique will be renamed to make it clear that it sorts as well. This is only a deprecation notice. It will not be removed until 4.0.

[arthurvr]

Thanks for opening the issue @timmywil. I'll see if I'll get to it this weekend.

[arthurvr]

PR: #736. Would be awesome if you could review, @timmywil.

[arthurvr]

Fixed in the v3 branch so closing this.

[timmywil]

Will be added in 1.12/2.2. 2c3a071