* Add rel="canonical" links to bug pages (Closes: #890338). Thanks to Chris
Lamb.
* Fix blocks/blockedby of archived bugs (Closes: #892060). Thanks to Laurent Bigonville.
+ * Provide informative error message when unarchive fails because the bug is
+ not archived. (Closes: #892135). Thanks to Dan Jacobson.
[ Niels Thykier ]
* quitcgi() now returns 400/500 status codes instead of 200 (Closes: #584922)