[Trisquel-users] a solution for replacing thunderbird by icedove

[akfoss]

How are Thunderbird users in Trisquel 6 going to be notified about the  
introduction of Icedove in Trisquel 7, in case they are not visiting this  
forum and upgrading via Update Manager, not freshly installing Trisquel 7?

Should they have the false feeling that their systems are up-to-date? While  
Thunderbird is an obsolete package.

Here is my solution:

1. create a transitional dummy 'thunderbird' package.

     Version: 33
     Depends: icedove (>= 24.8.1-1)
     Conflicts: thunderbird (