two policies are added to handle short and long term indices.
life of the indices can be configured using the 'elasticsearch.life'
field at browbeat-config.yml file
shortterm will have: 125 days
longterm will have 2 years
the policy and the policy based templates can be created using the
'es-template' install playbook.
Change-Id: I0f4a4a9acc03092fd582ae4ff50f688850def953