Update to f24: Error: Package xxxxx.rpm is not signed

[Chris Smart]

On Wed, Jun 22, 2016 at 01:05:19PM +0100, Sérgio Basto wrote:
>you may use --nogpgcheck
>https://fedoraproject.org/wiki/DNF_system_upgrade#Does_DNF_system_upgrade_verify_the_software_it_runs_or_installs_during_upgrade.3F
>

Yes, but that's really not a good idea, especially when the packages are
delivered over non-secure links.

IMO it's probably best to stick with 23 until the 24 packages can be
verified.

-c