During upload if X-Explode-Archive is set, gate tries to read archive and create an object for each file.
Each object acquires a FilePath attribute which is calculated relative to the archive root.
Archive could have compression via Gzip if "Content-Encoding: gzip" header is specified
Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>
Split DownloadZip handler on methods. Add handler DownloadTar for downloading tar.gz archives. Make methods more universal for using in both implementations
Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>