Removed the BIND DNS mail, logging and metrics VMs.
Added a new comment to the top of the code block for the monitoring VM to indicate that the VM does more things now.
Increase the BIND DNS monitoring VM's RAM since it's going to be doing more stuff.
Remove the Puppet node definition for the BIND DNS mail server VM since it doesn't exist in the Vagrantfile anymore.
Remove the Puppet node definition for the BIND DNS metrics server VM since it doesn't exist in the Vagrantfile anymore.
Remove the Puppet node definition for the BIND DNS logging server VM since it doesn't exist in the Vagrantfile anymore.
Add a user account to the Postfix installation since there will be a user-accessible mail account on the VM.
Install Apache since we are going to be serving Kibana and Grafana from the monitoring VM now.
Tab alignment.
Install Riemann on the BIND DNS monitoring VM.
Added a placeholder section for installing InfluxDB on the BIND DNS monitoring VM.
Install Grafana on the BIND DNS monitoring VM.
Moved the /sites/apps and /etc/apache2/ssl directory creation to the Apache section.
Install Logstash on the BIND DNS monitoring VM.
Install Elasticsearch on the BIND DNS monitoring VM.
Set up a virtualhost for Kibana on the BIND DNS monitoring VM.
Don't install Java through the Logstash module; we have it as a separate package resource.