Promote 1.13 AMI from alpha to stable
Promote 1.13 AMI from alpha to stable

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