AUI-1288

Hey @mjbradford89,

Attached is an update for http://issues.liferay.com/browse/AUI-1288.  For this pull request, the unit tests seem to be failing.  Can you take a look and resend a new pull request with the updated unit tests?

NOTE:
✖ [aui-datatable]: Passed: 6 Failed: 1 Total: 7 (ignored 0) (4.529 seconds)
fields sorted on caret click
Items are not sorted correctly.
Expected: false (boolean)
Actual: true (boolean)

Please let me know if you have any questions.  Thanks!