Convert Feeds JS to plugin+widget

[Paul Everitt]

We could use some help accelerating the JS work on the Feeds.

Spec
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1) Please do small, frequent checkins so I can learn from what you're doing. E.g. convert to a jQuery plugin and checkin. Convert to a widget and checkin. Write first QUnit tests and checkin.

2) Switch to the branch we're using for content feeds. There is a buildout that is branched, so use that. Make sure you do bin/startover.

3) Consider merging the trunk to this branch, to get the newer jQuery UI widget factory.

4) Convert the scripting that's there into a jQuery plugin in the "normal" place inside KARL. Re-code any of the logic to better use any more recent jQuery 1.4 patterns.

5) Convert the code into a jQuery UI widget.

6) Write the first QUnit tests.

7) Get it working under IE. Make sure there is no broken caching of JSON XHR.

8) Consider getting the first chunk of data wired in on pageload, as we do in tagging, to avoid initial redraw.

Please make sure to get parts of this checked in today.

[Paul Everitt (paul-agendaless)]

I believe you've done all of this, right? I think we can skip (8).

[Paul Everitt (paul-agendaless)]

I'm going to mark this as done.

[JimPGlenn (jpglenn09)]

fixed