Reload avahi daemon after interface changes
Reload avahi daemon after interface changes

This allows the hub to be reached by its zeroconf name both during
setup and afterwards

grunskis/senic-hub,grunskis/nuimo-hub-backend,getsenic/senic-hub,grunskis/nuimo-hub-backend,grunskis/senic-hub,getsenic/senic-hub,grunskis/nuimo-hub-backend,grunskis/senic-hub,grunskis/senic-hub,grunskis/nuimo-hub-backend,grunskis/nuimo-hub-backend,grunskis/senic-hub,grunskis/senic-hub