Elastic, Beats & Kibana stack phase 1

Change-Id: If3a118684202e91aa1f6fecab6bb547ee996b6f2
Signed-off-by: lavado <glavado@whitestack.com>
diff --git a/installers/docker/osm_elk/elasticsearch.yml b/installers/docker/osm_elk/elasticsearch.yml
index ba67874..f6a7dd4 100644
--- a/installers/docker/osm_elk/elasticsearch.yml
+++ b/installers/docker/osm_elk/elasticsearch.yml
@@ -3,3 +3,4 @@
 cluster.name: "docker-cluster"
 discovery.type: single-node
 discovery.zen.minimum_master_nodes: 1
+bootstrap.memory_lock: true