Update kubeadm.yaml to 1.17 version (#296)

Closes #295

Signed-off-by: Justin Scott <justin.a.scott@intel.com>

Author: jascott1

clr-k8s-examples/kubeadm.yaml

@@ -1,4 +1,4 @@
-apiVersion: kubeadm.k8s.io/v1beta1
+apiVersion: kubeadm.k8s.io/v1beta2
 kind: InitConfiguration
 ---
 apiVersion: kubelet.config.k8s.io/v1beta1
@@ -13,9 +13,10 @@ kubeReserved:
   cpu: 500m
   memory: 256M
 ---
-apiVersion: kubeadm.k8s.io/v1beta1
+apiVersion: kubeadm.k8s.io/v1beta2
 kind: ClusterConfiguration
 networking:
   dnsDomain: cluster.local
   podSubnet: 10.244.0.0/16
   serviceSubnet: 10.96.0.0/12
+