* Make emulated hue detectable by Busch-Jaeger free@home SysAP
* Emulated hue: Remove unnecessary host line from UPnP response
* Test that external IPs are blocked for config route
* Add another test for unauthorized users
* Change hue username to nouser
nouser seems to be used by the official Hue Bridge v1 Android app and is
used by other projects as well
Co-authored-by: J. Nick Koston <nick@koston.org>