[Spark] Update to 1.4.1
[Spark] Update to 1.4.1

yonglehou/elasticsearch-hadoop,pranavraman/elasticsearch-hadoop,costin/elasticsearch-hadoop,girirajsharma/elasticsearch-hadoop,lgscofield/elasticsearch-hadoop,xjrk58/elasticsearch-hadoop,kai5263499/elasticsearch-hadoop,cgvarela/elasticsearch-hadoop,takezoe/elasticsearch-hadoop,elastic/elasticsearch-hadoop,elastic/elasticsearch-hadoop