upgraded elasticsearch dsl library version (#693)
upgraded elasticsearch dsl library version (#693)


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