Add heka.toml

Change-Id: I93157dfcf04f335927a9bb8e9e7777fe3cf6ef30
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index b4e3021..4950f3c 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -4,8 +4,8 @@
       collectd:
         enabled: false
       heka:
-        enabled: false
+        enabled: true
       sensu:
         enabled: true
       sphinx:
-        enabled: true
\ No newline at end of file
+        enabled: true