Fix MetadataCollector caching (#741)
Fix MetadataCollector caching (#741)


murnieza/ElasticsearchBundle,martiis/ElasticsearchBundle,saimaz/ElasticsearchBundle,trandangtri/ElasticsearchBundle,martiis/ElasticsearchBundle,saimaz/ElasticsearchBundle,trandangtri/ElasticsearchBundle,ongr-io/ElasticsearchBundle,asev/ElasticsearchBundle,asev/ElasticsearchBundle,murnieza/ElasticsearchBundle