Add models with mitaka/newton os releases for maintenance purposes

Change-Id: I555bf37aba6c48be4d3513bb8f413fb809b6b25c
diff --git a/classes/cluster/virtual-mcp11-dvr/.env b/classes/cluster/virtual-mcp11-dvr/.env
index 9680cea..86d851f 100644
--- a/classes/cluster/virtual-mcp11-dvr/.env
+++ b/classes/cluster/virtual-mcp11-dvr/.env
@@ -1 +1 @@
-EXTRA_FORMULAS="ntp sphinx nginx heka grafana rsyslog prometheus telegraf memcached collectd"
+EXTRA_FORMULAS="ntp sphinx nginx heka grafana rsyslog prometheus telegraf memcached collectd fluentd"
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