Merge pull request #11 from simonpasquier/stacklight

Fix grafana support metadata
diff --git a/glusterfs/meta/grafana.yml b/glusterfs/meta/grafana.yml
index 68083e0..60badbd 100644
--- a/glusterfs/meta/grafana.yml
+++ b/glusterfs/meta/grafana.yml
@@ -1,3 +1,4 @@
 dashboard:
   glusterfs:
+    format: json
     template: glusterfs/files/grafana_influxdb.json