os-599 Added default namespace for role::sshkeys and improved ssh::key_sources splitting.
os-599 Added default namespace for role::sshkeys and improved ssh::key_sources splitting.

syseleven/puppet-base,autostrap/puppet-base,autostrap/puppet-base,syseleven/puppet-base,autostrap/puppet-base,syseleven/puppet-base,syseleven/puppet-base,autostrap/puppet-base