FeedReader and Whiteboad don't work with the Linux Client

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Using Linux Client 1.0.01
2. Login in one of the forums
3. Drag from the Objects catalog FeedReader or Whiteboard on the Display or Wall

What is the expected output? What do you see instead?
The Display shows the Python start side thats it. A click on it gives a sound 
but it dosn't load the app.

What version of the product are you using? On what operating system?
Server CentOS 5.6 and Server Ubuntu 11.04

Please provide any additional information below.
The Test on both servers with a Windows 7 client shows, that the applications 
are working properly.

Original issue reported on code.google.com by JaneBa...@gmail.com on 20 Oct 2011 at 11:38