Add jquery-ui 1.11.1 and tablesorter 2.0.5

jquery-ui
Source: http://jqueryui.com/
Version: 1.11.1
License: jQuery projects are released under the terms of the MIT license.

jquery-tablesorter
Source: https://github.com/christianbach/tablesorter
Version: 2.0.5
Licence: Dual licensed under MIT or GPL licenses