Switch Elasticsearch to 5 version

Change-Id: Ic5f0937b6288b181a6b8708a85173ad15eb4d65c
diff --git a/metadata/service/client.yml b/metadata/service/client.yml
index 203c763..72efe86 100644
--- a/metadata/service/client.yml
+++ b/metadata/service/client.yml
@@ -2,7 +2,7 @@
 - elasticsearch
 parameters:
   _param:
-    elasticsearch_version: 2
+    elasticsearch_version: 5
   elasticsearch:
     client:
       enabled: true
diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index 2ff8db5..1f9e961 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -4,7 +4,7 @@
 - service.elasticsearch.support
 parameters:
   _param:
-    elasticsearch_version: 2
+    elasticsearch_version: 5
   elasticsearch:
     server:
       enabled: true
diff --git a/metadata/service/server/local.yml b/metadata/service/server/local.yml
index 24f577e..7980251 100644
--- a/metadata/service/server/local.yml
+++ b/metadata/service/server/local.yml
@@ -4,7 +4,7 @@
 - service.elasticsearch.support
 parameters:
   _param:
-    elasticsearch_version: 2
+    elasticsearch_version: 5
   elasticsearch:
     server:
       enabled: true
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 397a0b6..01e7436 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -4,7 +4,7 @@
 - service.elasticsearch.support
 parameters:
   _param:
-    elasticsearch_version: 2
+    elasticsearch_version: 5
   elasticsearch:
     server:
       enabled: true