added ES 1.6.0
added ES 1.6.0

murnieza/ElasticsearchBundle,saimaz/ElasticsearchBundle,martiis/ElasticsearchBundle,murnieza/ElasticsearchBundle,martiis/ElasticsearchBundle,trandangtri/ElasticsearchBundle,tautrimas/ElasticsearchBundle,tautrimas/ElasticsearchBundle,asev/ElasticsearchBundle,asev/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,saimaz/ElasticsearchBundle,ongr-io/ElasticsearchBundle,ndinh215/ONGRElasticsearchBundle,trandangtri/ElasticsearchBundle