Add prometheus monitoring to reclass

Add:
* glusterfs server volume
* glusterfs client
* ssl keys for kubernetes
* prometheus related formulas
* telegraf system reclass
* prometheus system reclass
* docker swarm network
* docker swarm services:
  - prometheus
  - alertmanager
  - pushgateway
  - grafana

Change-Id: I4a5a60f35f4c96ca41ac2e94f27c7aefbc286cbf
diff --git a/salt/master/pkg.yml b/salt/master/pkg.yml
index 7686f07..046512f 100644
--- a/salt/master/pkg.yml
+++ b/salt/master/pkg.yml
@@ -6,4 +6,5 @@
 - system.salt.master.formula.pkg.openstack
 - system.salt.master.formula.pkg.saltstack
 - system.salt.master.formula.pkg.stacklight
+- system.salt.master.formula.pkg.monitoring
 - system.linux.system.repo.tcp_salt