add heka config end enable support

Change-Id: Iff82539eed0590c7de8a28be70f3377d88a4b412
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index fd4619b..260ce7e 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -4,7 +4,7 @@
       collectd:
         enabled: false
       heka:
-        enabled: false
+        enabled: true
       sensu:
         enabled: true
       sphinx: