add some sleeps between commands, to try to avoid PG server-busy errors
add some sleeps between commands, to try to avoid PG server-busy errors

plantigrade/geni-tools,GENI-NSF/gram,GENI-NSF/gram,plantigrade/geni-tools,ahelsing/geni-tools,tcmitchell/geni-tools,GENI-NSF/gram,tcmitchell/geni-tools,ahelsing/geni-tools