BG\L to Bluegene fix

    HP, sacct_buf.patch).

for right now).

Needs more more to play nice with REQUEST_TERMINATE_ rpcs.

slurmstepd unix domain sockets, it will attempt to send a SIGKILL using
stepd_signal_container before unlinking the socket file.

It has been modified to work with the new slurmd/slurmstepd code layout.