Handle more cases in sx_hashfs_check()
don't use sizeof(d_name)

its size is undefined according to manpage
don't use GNUmakeisms
set _DEFAULT_SOURCE
expose BSD extensions in server only

and expose them for (Open)Solaris too
don't use sed -i and sed \0

they are not portable
fix start-ssl script
must not use "" inside "" without escaping

the shell might try to execute the unquoted part instead of
concatenating
workaround for bb #938
fix leak on sxc_file_t obj reuse
sxsim: disable non-maintained load/save cmds (bb#940)
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