Make addprinc resilient to KDC unavailability
Make addprinc resilient to KDC unavailability

Retry addprinc a few times in case the master KDC is just rebooting.
Also expand the wait interval if we're bootstrapping.

edgester/puppet-module-kerberos,michaelweiser/puppet-module-kerberos,edgester/puppet-module-kerberos,michaelweiser/puppet-module-kerberos,michaelweiser/puppet-module-kerberos,DonMaja/puppet-module-kerberos,DonMaja/puppet-module-kerberos,DonMaja/puppet-module-kerberos,edgester/puppet-module-kerberos