Make sure Tails Upgrader runs once Tor is usable
Tails Upgrader wrapper is a bit too optimistic wrt. when Tor is ready.
See also https://mailman.boum.org/pipermail/tails-dev/2014-February/004900.html
Related issues
- Is duplicate of #6728 (closed)
Original created by @sajolida on 6784 (Redmine)