Update elasticsearch from 5.3.0 to 5.4.0 (#2011)
Update elasticsearch from 5.3.0 to 5.4.0 (#2011)


pypa/warehouse,dstufft/warehouse,alex/warehouse,pypa/warehouse,dstufft/warehouse,alex/warehouse,dstufft/warehouse,pypa/warehouse,alex/warehouse,dstufft/warehouse,alex/warehouse,pypa/warehouse,alex/warehouse