STORM-381 Replace broken jquery.tablesorter.min.js to latest

It's related to https://issues.apache.org/jira/browse/STORM-381.

This PR replaces broken tablesorter file to latest, so it resolves syntax error on it.

* from https://github.com/Mottie/tablesorter
* Version: 2.17.3
* Link: https://github.com/Mottie/tablesorter/raw/master/js/jquery.tablesorter.min.js

I just copy file and replace it, so comment related to copyright didn't deleted.

Its license is dual (MIT, GPL), so we're OK to use it by picking MIT.
(Am I right?)