[stable/kibana] replace elastcisearch.url with elasticsearch.hosts (#13355)

* Various

Signed-off-by: Naseem <naseemkullah@gmail.com>

* Change elasticsearch.url to elasticsearch.hosts

Signed-off-by: Naseem <naseemkullah@gmail.com>

stable/kibana/Chart.yaml

@@ -1,5 +1,5 @@
 name: kibana
-version: 2.2.0
+version: 2.3.0
 appVersion: 6.7.0
 description: Kibana is an open source data visualization plugin for Elasticsearch
 icon: https://raw.githubusercontent.com/elastic/kibana/master/src/ui/public/icons/kibana-color.svg

stable/kibana/values.yaml

@@ -15,7 +15,7 @@ env: {}
   # To adjust a config option to an env var uppercase + replace `.` with `_`
   # Ref: https://www.elastic.co/guide/en/kibana/current/settings.html
   #
-  # ELASTICSEARCH_URL: http://elasticsearch-client:9200
+  # ELASTICSEARCH_HOSTS: http://elasticsearch-client:9200
   # SERVER_PORT: 5601
   # LOGGING_VERBOSE: "true"
   # SERVER_DEFAULTROUTE: "/app/kibana"
@@ -25,7 +25,7 @@ files:
     ## Default Kibana configuration from kibana-docker.
     server.name: kibana
     server.host: "0"
-    elasticsearch.url: http://elasticsearch:9200
+    elasticsearch.hosts: http://elasticsearch:9200
 
     ## Custom config properties below
     ## Ref: https://www.elastic.co/guide/en/kibana/current/settings.html