Merge pull request #14 from thouveng/add-missing-json

Add missing JSON format for dashboard
diff --git a/galera/meta/grafana.yml b/galera/meta/grafana.yml
index dac0fcb..8496ce8 100644
--- a/galera/meta/grafana.yml
+++ b/galera/meta/grafana.yml
@@ -1,3 +1,4 @@
 dashboard:
   galera:
+    format: json
     template: galera/files/grafana_influxdb.json