Switch Kibana to 5 version

Change-Id: Iaad1e754146eba023a226f88c2e3b0fe332719c4
diff --git a/metadata/service/client.yml b/metadata/service/client.yml
index 4abf671..17a1376 100644
--- a/metadata/service/client.yml
+++ b/metadata/service/client.yml
@@ -3,7 +3,7 @@
 parameters:
   _param:
     kibana_client_default_index: "log-*"
-    kibana_version: 4
+    kibana_version: 5
   kibana:
     client:
       enabled: true
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 561bec0..5ec45fd 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -4,7 +4,7 @@
 - service.kibana.support
 parameters:
   _param:
-    kibana_version: 4
+    kibana_version: 5
   kibana:
     server:
       enabled: true