kubectl, failed to negotiate an api version

[ydemiral]

in ubuntu 16.04 - stable/newton

http://docs.openstack.org/developer/magnum/userguide.html#user-examples need to update Native Clients section, because curl command pull old api version.

curl -O https://storage.googleapis.com/kubernetes-release/release/v1.2.0/bin/linux/amd64/kubectl -> curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl