VOL-666 : Disabled swap on kubernetes hosts

- Also added specific versions for kafka and zookeeper

Change-Id: Id5d31fc2ac8dbfd0921a3fff103c8f3dc95bf96a
diff --git a/install/containers.cfg.k8s b/install/containers.cfg.k8s
index 5a7eeb8..71a39c0 100644
--- a/install/containers.cfg.k8s
+++ b/install/containers.cfg.k8s
@@ -26,5 +26,5 @@
   - voltha-shovel:latest
   - voltha-tools:latest
   - voltha-voltha:latest
-  - wurstmeister/kafka:latest
-  - zookeeper:latest
+  - wurstmeister/kafka:1.0.0
+  - zookeeper:3.4.11