V1 - Zipfile Streaming issues

[qjhart]

The zipstream code doesn't seem to work. We have tested with single and multiple files. The typical problem is that the individual files in the zip are corrupted. They usually have more bytes than the original files. The size of the corrupted file changes with every interation of the download.

In addition, possibly related. The zipstream does not close the connection to the fcrepo correctly, and we always see a timeout error on the fcrepo GET to the original image file. The timeout is ~30sec after the zipfile accesses the binary