Add Grafana support

Change-Id: Ie04d826ffc427f86e7aed7c66e469b5abf91e8d7
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 6f58f72..a9a0c0e 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -5,6 +5,8 @@
         enabled: true
       heka:
         enabled: true
+      grafana:
+        enabled: true
       sensu:
         enabled: false
       sphinx: