changed s3 endpoint to correctly handle both https and buckets with dots in them
changed s3 endpoint to correctly handle both https and buckets with dots in them

abuisine/mule-uploader,cinely/mule-uploader,abuisine/mule-uploader,cinely/mule-uploader,abuisine/mule-uploader,abuisine/mule-uploader,cinely/mule-uploader,cinely/mule-uploader