Update influxdb.md

clarified some language, split into influx 0.9 and influx 0.8 since they are now two separate datasources/queryeditors

docs/sources/datasources/influxdb.md

@@ -7,7 +7,13 @@ page_keywords: grafana, influxdb, metrics, query, documentation
 
 # InfluxDB
 
-## InfluxDB query editor
+There are currently two separate datasources for InfluxDB in Grafana: InfluxDB 0.8.x and InfluxDB 0.9.x. The API and capabilities of InfluxDB 0.9.x are completely different from InfluxDB 0.8.x. InfluxDB 0.9.x data source support is provided on an experimental basis.
+
+## InfluxDB 0.9 query editor
+
+The InfluxDB 0.9 query editor provides support for building metric queries based on combinations of metric names and tags. It reuses elements of the Graphite query editor to help find the appropriate series. 
+
+## InfluxDB 0.8 query editor
 
 ![](/img/v1/influxdb_editor.png)
 
@@ -19,7 +25,11 @@ select [[func]]([[column]]) from [[series]] where [[timeFilter]] group by time([
 
 To write the complete query yourself click the cog wheel icon to the right and select ``Raw query mode``.
 
-## InfluxDB Filters & Templated queries
+## InfluxDB 0.9 Filters & Templates queries
+
+The InfluxDB 0.9 data source does not currently support filters or templates.
+
+## InfluxDB 0.8 Filters & Templated queries
 
 ![](/img/animated_gifs/influxdb_templated_query.gif)