Added S3 upload improvement
Added S3 upload improvement

splashblot/dronedb,codeandtheory/cartodb,dbirchak/cartodb,codeandtheory/cartodb,dbirchak/cartodb,future-analytics/cartodb,dbirchak/cartodb,thorncp/cartodb,nyimbi/cartodb,nyimbi/cartodb,raquel-ucl/cartodb,thorncp/cartodb,DigitalCoder/cartodb,nuxcode/cartodb,bloomberg/cartodb,future-analytics/cartodb,splashblot/dronedb,raquel-ucl/cartodb,thorncp/cartodb,nyimbi/cartodb,UCL-ShippingGroup/cartodb-1,future-analytics/cartodb,bloomberg/cartodb,DigitalCoder/cartodb,dbirchak/cartodb,CartoDB/cartodb,nuxcode/cartodb,codeandtheory/cartodb,CartoDB/cartodb,UCL-ShippingGroup/cartodb-1,nyimbi/cartodb,thorncp/cartodb,CartoDB/cartodb,raquel-ucl/cartodb,raquel-ucl/cartodb,splashblot/dronedb,raquel-ucl/cartodb,bloomberg/cartodb,CartoDB/cartodb,codeandtheory/cartodb,bloomberg/cartodb,nuxcode/cartodb,UCL-ShippingGroup/cartodb-1,future-analytics/cartodb,nuxcode/cartodb,DigitalCoder/cartodb,bloomberg/cartodb,DigitalCoder/cartodb,thorncp/cartodb,splashblot/dronedb,nuxcode/cartodb,splashblot/dronedb,dbirchak/cartodb,DigitalCoder/cartodb,UCL-ShippingGroup/cartodb-1,UCL-ShippingGroup/cartodb-1,CartoDB/cartodb,codeandtheory/cartodb,future-analytics/cartodb,nyimbi/cartodb