Sync sl-k8s-calico model with virtual-mcp11-k8s-calico

Change-Id: Ie3ac2560746f33a6d02a44baeaa8175dadff25b7
diff --git a/classes/cluster/sl-k8s-calico/.env b/classes/cluster/sl-k8s-calico/.env
new file mode 100644
index 0000000..13e6475
--- /dev/null
+++ b/classes/cluster/sl-k8s-calico/.env
@@ -0,0 +1 @@
+FORMULAS_SALT_MASTER+=(fluentd git grafana linux nginx ntp openssh prometheus reclass rsyslog salt sphinx telegraf backupninja)