If a peer had created any references but was also missing the
canonical branch, the `rad id update` command will fail when adding
that peer as a delegate.
Instead, missing delegates and missing default branches are tracked
during verification. If the number of missing delegates means the
`threshold` cannot be met, then the errors are returned.
Signed-off-by: Fintan Halpenny <fintan.halpenny@gmail.com>
X-Clacks-Overhead: GNU Terry Pratchett