Add alpha support for Logstash with Elasticsearch and Kibana

* Add openstack::logfilter class for logstash
  - Install and configure logstash, elasticsearch, kibana by its templates (default is undef)
  - Provide rsyslog client sided templates for logstash remote logging as well as rsyslog ones
  - Assume logstash defaults undef, :55514, udp - for anaconda logs capturing
  - Use paragraph based message detection for rabbitmq (imfile)
  - Use user facility and line based (default) message detection for openstack DEBUG (imfile)
  - Ensure new logfiles introduced for logstash and elasticsearch are rotated
* Del config template for elasticsearch
* Remove double declaration, delegate templating to openstack::logfilter
* Skip paramedic plugin for elasticsearch
* Add cluster_name for elasticsearch, fix templates
* Change firewall rules for logstash
* Rename tag for non aplha numerical program names
* Send anaconda logs to logstash as well (Assume logstash node is fuel:55514, udp)
* Add grok tags for rfc5424 (bootstrap/anaconda)
* Fix rfc3164 pattern to make simicolon optional
* Fix grok pattern for debug case
* Fix kibana service and notification
* Restore class var debug were missed
* Extend rfc5424 grok pattern to match hostnames in message
* Fix config requirements and services notifications for logfilter
* Assume base syslog node (fuel master) is the logstash node
* Use tcp instead of udp
* Add grok pattern for netcatted logs
* Imrove stability of grok regexes
* Fix excluded tags and spaces parsing

Implements-blueprint: logstash-elasticsearch-kibana-for-logs
Depends on 80025, 80024

Change-Id: I800049aa2d1102880c95ac49824bb655334411f3
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>