Fix error message when not specify --cloud or --zones
Fix error message when not specify --cloud or --zones

andrewsykim/kops,aledbf/kops,chrislovecnm/kops,pdh/kops,andrewsykim/kops,tsupertramp/kops,chrislovecnm/kops,tsupertramp/kops,blakebarnett/kops,pdh/kops,andrewsykim/kops,gambol99/kops,mad01/kops,mad01/kops,justinsb/kops,robinpercy/kops,tsupertramp/kops,chrislovecnm/kops,andrewsykim/kops,aledbf/kops,aledbf/kops,blakebarnett/kops,mad01/kops,justinsb/kops,kubernetes/kops,justinsb/kops,robinpercy/kops,robinpercy/kops,chrislovecnm/kops,pdh/kops,gambol99/kops,pdh/kops,robinpercy/kops,blakebarnett/kops,blakebarnett/kops,tsupertramp/kops,aledbf/kops,gambol99/kops,mad01/kops,gambol99/kops,kubernetes/kops,kubernetes/kops