Update OOM docs for Casablanca

Updating release notes, Helm and K8s versions and
started documenting use of (un)deploy plugins.

Change-Id: Ia51db5f1489e8d63fd7e1f10e80174eb9f182f0f
Issue-ID: OOM-1497
Signed-off-by: Mike Elliott <mike.elliott@amdocs.com>
diff --git a/docs/openstack-rancher.sh b/docs/openstack-rancher.sh
index 1f1d2e4..bcf542a 100644
--- a/docs/openstack-rancher.sh
+++ b/docs/openstack-rancher.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
 DOCKER_VERSION=17.03
-RANCHER_VERSION=1.6.18
-KUBECTL_VERSION=1.8.10
+RANCHER_VERSION=1.6.22
+KUBECTL_VERSION=1.11.2
 HELM_VERSION=2.9.1
 
 # setup root access - default login: oom/oom - comment out to restrict access too ssh key only