/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar
2513.1.1 by Martin Pool
(in progress) analysis of commit
1
Don't really need the hashes of the current versions - just knowing
2
whether they've changed or not will generally be enough - and just the
3
mtime and ctime of a point in time may be enough?