Cleanup versions, deprecate 1.10, remove k8s 1.8
Cleanup versions, deprecate 1.10, remove k8s 1.8

kubernetes/kops,justinsb/kops,justinsb/kops,aledbf/kops,justinsb/kops,robinpercy/kops,robinpercy/kops,robinpercy/kops,robinpercy/kops,aledbf/kops,kubernetes/kops,aledbf/kops,aledbf/kops,kubernetes/kops