Updates to the latest sirius release.

dev-18.8.1

Updates to the latest sirius-kernel.

dev-18.8

Merge pull request #347 from scireum/sbi/OX-5984

Adds elastic query helpers for adding an aggregation counting total hits

dev-18.7.2

Merge pull request #346 from scireum/aha/nestedlist-in-composites

Bugfix for NestedLists in Composites.

dev-18.7.1

Updates sirius-kernel to latest version

Refactors the way query suggestions for ES are handled.

Merge pull request #342 from scireum/aha/suggesters

Extracts suggestions out of ElasticQuery.

Fixes a constructor call order and adds another Elastic constraint

Merge pull request #341 from scireum/aha/constructor-orderfix

Fixes a constructor call order and adds another Elastic constraint.

Provides additional filters for Elastic.

Merge pull request #340 from scireum/aha/es-filterz

Adds filter builders for match_phrase and regexp for Elasticsearch.

Provides an interface which defines the methods shared by all entities.

Merge pull request #339 from scireum/aha/entity-iface

Provides a common interface shared by all entities.

Updates to the latest sirius-kernel.

dev-18.3.1

Updates to the latest sirius-kernel.

dev-18.3: Merge pull request #338 from scireum/kernel-version

Upgrade to kernel 19.0