Should allow this to work on ceph-backed S3 now
Half-baked deploys shouldn't blow up.
merge Josh's code changes to test
clean up whitespace as per RuboCop
add tests for Josh's changes so the S3 blobstore client can work on ceph-backed S3 - PR #469
update the README to reflect the optional endpoint parameter and let the documentation reflect the default S3 blobstore client endpoint