Migrate ELK to 6.1.3 OSS

+ add logstash configuration for a 2nd aggregated index
+ use new restore scripts for restoring dashboards

Change-Id: I9176fa3b551591fdaf968e5b2496d510581aca22
Issue-ID: CLAMP-222
Signed-off-by: ac2550 <ac2550@intl.att.com>
diff --git a/kubernetes/clamp/charts/clamp-dash-es/values.yaml b/kubernetes/clamp/charts/clamp-dash-es/values.yaml
index eb0588f..98ce044 100644
--- a/kubernetes/clamp/charts/clamp-dash-es/values.yaml
+++ b/kubernetes/clamp/charts/clamp-dash-es/values.yaml
@@ -31,7 +31,7 @@
 
 # application image
 loggingRepository: docker.elastic.co
-image: elasticsearch/elasticsearch:5.6.9
+image: elasticsearch/elasticsearch-oss:6.1.3
 pullPolicy: Always
 
 # flag to enable debugging - application support required