Add Elasticsearch 6 support Remove predefined version from formula Start using states instead of modules in client.sls Update test repos to mirror.mirantis.com Update tests to use ES6 Disable all x-pack features Change-Id: I7f5a65b0777f2ebce9bd3aae79888d2b00d428b6 Prod-Related: PROD-25122
Freeze inspec version for salt-formulas tests - in inspec >= 3.0.0 there are changes in schema which require to have tests/integration dir to contain tests, otherwise fails - this is temporary workaround until we decide proper fix Change-Id: I83e4b68da3dad8a24bb357c8de65af10ee5cbbae