Initialized
wip
wip
First draft correctly selects diffs to use for toy problem
wip: code for uploading with boto
fixes and stats.  Now gives reasonable diff selection from snapshots.
Fixes to S3 uploads and alorithms.  Now syncs well to S3.
Renaming files and classes
Lists correct diffs for recovery
wip
Successful recovery from S3
Lots of bugfixes.  Successful backup of test snapshots and restore of a selected snapshot
Fix getting one snapshot from btrfs.  Better debugging info.
tweaks and fixes
Add btrfsVersion to S3 metadata
fix to recognize relative subvolumes.  info tweaks.
tweak error message
Merge branch 'master' of ssh://git/data/src/git/butter_sink
fixes to algorithm for changing height and cost
Merge branch 'master' of ssh://git/data/src/git/butter_sink