Add puppet-elasticsearch as split out module

The spec:
http://specs.openstack.org/openstack-infra/infra-specs/specs/puppet-modules.html

This patch should only be approved after arranging for a system-config
core to ensure there are no outstanding changes and to approve the
related module removal patch within a short time.

Needed-By: Id38232f6f9d928c893013c5f7eb70956955bf777
Change-Id: Ide11b4f4927fcdb4b19b2e06811f2f32c20d83f3
Merge "Add puppet-elasticsearch as split out module"