Support changing GCE instance metadata
Support changing GCE instance metadata

This works, but is only a part-way there because:

1. We need to trigger cloudup
2. Our manifests don't pick up the change (e.g. kube-apiserver)

chrislovecnm/kops,sethpollack/kops,leandrocr/kops,reactiveops/kops,zytek/kops,DualSpark/kops,zytek/kops,robinpercy/kops,leandrocr/kops,mad01/kops,aledbf/kops,kris-nova/kops,jnewland/kops,WillemMali/kops,MadDogTechnology/kops,chrislovecnm/kops,zytek/kops,zytek/kops,justinsb/kops,andrewsykim/kops,WillemMali/kops,luomiao/kops,WillemMali/kops,reactiveops/kops,reactiveops/kops,BradErz/kops,andrewsykim/kops,BradErz/kops,dacohen/kops,blakebarnett/kops,blakebarnett/kops,ikropotov/kops,justinsb/kops,blakebarnett/kops,austinmoore-/kops,DualSpark/kops,WillemMali/kops,kubernetes/kops,ikropotov/kops,jnewland/kops,MadDogTechnology/kops,tsupertramp/kops,aledbf/kops,sp-borja-juncosa/kops,tsupertramp/kops,MadDogTechnology/kops,pdh/kops,pdh/kops,pdh/kops,faraazkhan/kops,DualSpark/kops,sethpollack/kops,leandrocr/kops,robinpercy/kops,gambol99/kops,luomiao/kops,gambol99/kops,DualSpark/kops,luomiao/kops,austinmoore-/kops,reactiveops/kops,kris-nova/kops,faraazkhan/kops,sethpollack/kops,sethpollack/kops,kris-nova/kops,sp-borja-juncosa/kops,robinpercy/kops,austinmoore-/kops,andrewsykim/kops,aledbf/kops,chrislovecnm/kops,mad01/kops,andrewsykim/kops,blakebarnett/kops,chrislovecnm/kops,robinpercy/kops,gambol99/kops,dacohen/kops,aledbf/kops,ikropotov/kops,BradErz/kops,leandrocr/kops,kubernetes/kops,sp-borja-juncosa/kops,BradErz/kops,dacohen/kops,MadDogTechnology/kops,mad01/kops,tsupertramp/kops,faraazkhan/kops,gambol99/kops,sp-borja-juncosa/kops,kris-nova/kops,jnewland/kops,mad01/kops,dacohen/kops,kubernetes/kops,justinsb/kops,ikropotov/kops,luomiao/kops,pdh/kops,faraazkhan/kops,tsupertramp/kops,austinmoore-/kops