update s3 credentials
update s3 credentials

BackburnerJS/backburner.js,ebryn/backburner.js,givanse/backburner.js,asakusuma/backburner.js,BackburnerJS/backburner.js,greyhwndz/backburner.js,BackburnerJS/backburner.js,asakusuma/backburner.js,greyhwndz/backburner.js,givanse/backburner.js,ebryn/backburner.js