fix tabulation
restore old volume configuration when sxvol create fails
allow raising server log message severity, not just lowering

disables INFO level in sxadm
update quickstart guide
aes256: add new option 'nogenkey' to allow later keyfile creation
more cosmetics
manual skeleton
fix make check on OS X
Added client-test tool.

Client side SX testing:
- volume creating and removing
- files copying and removing
- deduplication
- replica
- revisions
- filters
support --config-dir and --filter-dir in client-test
fix error msg
use client-test during make check
unfuck server-report
add more stuff
add test_quota() function; cosmetics
don't use hardcoded filter path at all
minor cosmetics
replicate unbump
move replicateblocks to the commit phase so we always have a chance to umbump
fix replica loop
let there be space for the term