Warn the user if there are nodes created in the last hour that haven't converged as that can affect the accuracy of tidy reports.
Warn the user if there are nodes created in the last hour that haven't converged as that can affect the accuracy of tidy reports.

Signed-off-by: Josh Hudson <799194bcc10493570e88f231f0a18ab535d19834@chef.io>

chef-customers/knife-tidy