Sort the authorized_keys file
Sort the authorized_keys file

Without this patch the authorized_keys file is not sorted which makes
managing keys a bit more difficult from an idempotency perspective.

MichalBryxi/puppetlabs-sshkeys,MichalBryxi/puppetlabs-sshkeys,gchronis/puppetlabs-sshkeys,underscorgan/puppetlabs-sshkeys,dylanratcliffe/puppetlabs-sshkeys,dylanratcliffe/puppetlabs-sshkeys,puppetlabs/puppetlabs-sshkeys,mhaskel/puppetlabs-sshkeys,gchronis/puppetlabs-sshkeys,puppetlabs/puppetlabs-sshkeys,mhaskel/puppetlabs-sshkeys,underscorgan/puppetlabs-sshkeys