[Intrepid] Network Manager button disappeared from notification bar

[Paolo]

Steven Davies-Morris wrote:
> With the most recent extensive Intrepid beta upgrade my Network
> Manager access to configuration icon/button has vanished. 
> (...)
> Before this the button was in a permanent "disconnected" state, even
> though networking was functioning.  Two questions. Did this happen to
> anyone else? How do I put it back?

Yes. Exactly the same has happened to me. Subsequent updates have not put it 
back. Don't know how to solve this either.

Paolo