Add fluentd support

Change-Id: I21ac74f2a149095accf312460810782c7250919c
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 0f7c33c..9327141 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -1,6 +1,8 @@
 parameters:
   nginx:
     _support:
+      fluentd:
+        enabled: true
       collectd:
         enabled: true
       heka: