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/git.yml b/salt/master/git.yml
index bcde77c..02d0b67 100644
--- a/salt/master/git.yml
+++ b/salt/master/git.yml
@@ -6,6 +6,7 @@
 - system.salt.master.formula.git.openstack
 - system.salt.master.formula.git.saltstack
 - system.salt.master.formula.git.stacklight
+- system.salt.master.formula.git.monitoring
 parameters:
   _param:
     salt_master_environment_repository: "https://github.com/salt-formulas"