fix undefined options and user-defined uploadpath
fix undefined options and user-defined uploadpath
popdotco/gulp-s3-gzip,nitaigao/gulp-s3,rentpath/gulp-s3,nkostelnik/gulp-s3,adam187/gulp-s3,adrianfalleiro/gulp-s3-publish,kollegorna/gulp-highwinds,avengerpenguin/gulp-s3