do_cmd_on_s3_now s3 content type lost
do_cmd_on_s3_now s3 content type lost

when action copy executed within do_cmd_on_s3_now the content-type attribute was lost
much like within rename_on_s3
also see http://stackoverflow.com/questions/9136490/boto-s3-copy-on-a-key-object-loses-content-type-metadata
timor-raiman/yas3fs,danilop/yas3fs,thkrmr/yas3fs,danilop/yas3fs