switched back to elasticsearch 5.4.3 until hail adds support for 6.x
switched back to elasticsearch 5.4.3 until hail adds support for 6.x

macarthur-lab/seqr,macarthur-lab/xbrowse,ssadedin/seqr,ssadedin/seqr,macarthur-lab/seqr,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/xbrowse,macarthur-lab/xbrowse,macarthur-lab/xbrowse,ssadedin/seqr,macarthur-lab/xbrowse,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/xbrowse,macarthur-lab/seqr