replace-faulty
test against SX 1.0 package

TODO: randgen
fix job polling host
bucket acl and public read (bb #577)

TODO: set acl via x-amz-acl* headers at bucket creation/?acl time
public read should work for authed requests too (retry on 403)
implement authenticated-read
enable public read for unauth users

TODO: better 304 handling (don't fetch data body from SX)
only enable public access for GET and HEAD
Do not generate/send the body if only the headers were needed

For example for a HEAD or 304 not modified reply.
prepare for range download

rearrange read/seek code, no functionality change
enable seeking on SX side
convert NoSuchBucket to AccessDenied when using public access
write ca_certs_file entry for s3cmd