sxserver: add $SX_FCGI_OPTS
sxvol cosmetics (bb#491)
bump hashfs version
make some errors non-fatal when iterating over local files (bb#436)
only verify local files when iterating
sxcp progress cosmetics

Remove progress bar when transfer finished.
Do not use sxi_notice() when sxi_xfer_set_file() fails.
Change error message printed on file transfer flush fail.
fix run
parallelize .pushto
job dependecies
split replicateblocks out of fileflush
self updatable job lifetime