[Bug-gnuzilla] Add-on updates should use directory.fsf.org, not addons.mozilla.org

[David Englund]

GNU IceCat shows the Free Software Directory website when you go to 
"Add-ons" and click on the "Get Add-ons" button in these programs, this 
is good.

However, when you click on "Check for updates" or "Update Add-ons 
Automatically", you'll notice that the Mozilla repository will be used 
instead which is addons.mozilla.org/en-US/firefox/

This is not good as the updated versions have not been verified by the 
FSF to be entirely free.


Conclusion: IceCat should use directory.fsf.org as addon update 
repository, not addons.mozilla.org. The features that are affected can 
be found by doing the following:

1. Click "Add-ons"
2. Locate the option button (labeled "Tools for all add-ons" on 
mouse-hover). It is located left to the"Search all add-ons" bar, you 
can't miss it.
3. Click on the button and see "Check for updates" and "Update Add-ons 
Automatically".