added some more info to documents metadata
added some more info to documents metadata

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