fix join
avoid N^2 behaviour in block rebalance
add nodelist support in blobs
make blobs endian agnostic
new iteration code based on br_use/br_done

do one iteration on all hashes, and store hashes that need a retry.
subsequent iterations are performed on this retry table.
should_repair draft
br_find draft
replace job
replace fail actions
start iteration after given filename, and limit iteration
replace blocks
file_find api
replace files
start replacement
node replacement - sxadm
final fixes