Clean-up, test and installation tweaks, documentation.
fix restoring single volume
fix rejected S3 too-small uploads
stripped dead code.
bugfixes
Fix: turn on quotas if they're not enabled.
better handling of receive errors
installation tweaks
Flush incomplete partial S3 uploads
Merge branch 'master' of ssh://git/data/src/git/buttersink
PyPi packaging fixes
Make send to S3 more reliable.
fix uploading .bs info to S3