Cleanup and fix javascript

* Add missing jquery ui images to stop 404 requests
* Fix paths in jquery-ui.css to reference image directory
* Remove un-minified version of flexigrid plugin
* Add element ids needed by application dump toggle
* Remove unused insertStamp() function
* Remove broken menuActive() function

Bug: 57594
Change-Id: Id26318eae6533181f73e9958905afe06fb8f51cd
Merge "Cleanup and fix javascript"