Edited Unassigned: [Regression]Updates tab -> All shows no items found after updates are done [3554]

Repro steps:
1. create a new MVC4 application using Visual Studio 2013 preview
2. go to Update tab, click update all to .NET framework feed
3. change to nuget.org feed, click update all there two
4. when All updates are finished, click All tab, and switch among All, nuget.org and .NET framework feed


Expected: The All tab shows a sum of the packages that's been updated from nuget.org and .NET framework feed, with a green checkmark.

Actual: no items found is shown on All.