Update Elasticsearch commands
Add new Rbs/Elasticsearch/Std/FacetDefinitionInterface
Add new \Change\Services\CommonServices class
Website property on Rbs_Elasticsearch_FullText is now required
Fix i18n key in Rbs_Elasticsearch module
Add Elasticsearch facet event
Add facet in Rbs_Elasticsearch_Result block
Merge pull request #506 from inthause/documents

Dev on Elasticsearch  module