Document how to update an existing vendored dependency
Document how to update an existing vendored dependency

kubernetes/kops,gambol99/kops,justinsb/kops,justinsb/kops,robinpercy/kops,kubernetes/kops,gambol99/kops,kubernetes/kops,aledbf/kops,robinpercy/kops,robinpercy/kops,aledbf/kops,gambol99/kops,robinpercy/kops,justinsb/kops,aledbf/kops,gambol99/kops,aledbf/kops