added a dump option in index create command
added a dump option in index create command

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