updated readme

README.md

@@ -6,16 +6,14 @@
 [Email](mailto:contact@grafana.org)
 
 Grafana is an open source, feature rich metrics dashboard and graph editor for
-Graphite, InfluxDB & OpenTSDB.
+Graphite, Elasticsearch, OpenTSDB, Prometheus and InfluxDB.
 
 ![](http://grafana.org/assets/img/start_page_bg.png)
 
-## Grafana 2.0
-The develop branch has now been merged with master. For 1.9 users this is a big change as Grafana is no longer
-a standalone frontend only web application. Grafana 2.0 comes with a backend.
-- [Install instructions](http://docs.grafana.org/v2.0/installation/)
-- [Migrating from 1.x to 2.x](http://docs.grafana.org/v2.0/installation/migrating_to2/)
-- [What's New in Grafana 2.0](http://docs.grafana.org/v2.0/guides/whats-new-in-v2/)
+- [Install instructions](http://docs.grafana.org/installation/)
+- [What's New in Grafana 2.0](http://docs.grafana.org/guides/whats-new-in-v2/)
+- [What's New in Grafana 2.1](http://docs.grafana.org/guides/whats-new-in-v2-1/)
+- [What's New in Grafana 2.5](http://docs.grafana.org/guides/whats-new-in-v2-5/)
 
 ## Features
 ### Graphite Target Editor
@@ -47,6 +45,9 @@ a standalone frontend only web application. Grafana 2.0 comes with a backend.
 - [Time range controls](http://docs.grafana.org/reference/timerange/)
 - [Share snapshots publicly](http://docs.grafana.org/v2.0/reference/sharing/)
 
+### Elasticsearch
+- Feature rich query editor UI
+
 ### InfluxDB
 - Use InfluxDB as a metric data source, annotation source
 - Query editor with series and column typeahead, easy group by and function selection