Changelog++ for 1.1.

debian/changelog

@@ -73,6 +73,10 @@ tails (1.1) unstable; urgency=medium
       instead of Yelp (Closes: #7390, #7285).
     - Make the new NetworkManager configuration directory persistent,
       when the old one was, but disable the old one (Closes: #7338).
+    - Before running tails-upgrade-frontend, chdir to a world-readable
+      place (Closes: #7641). In particular, Archive::Tar::Wrapper,
+      when called by tails-install-iuk, wants to chdir back to the
+      original cwd after it has chdir'd elsewhere to do its job.
 
   * Minor improvements
     - Install seahorse-nautilus, replacing seahorse-plugins (Closes #5516).